World Sports Racing Prototypes

The site dedicated to sportscar race results and chassis numbers histories is under construction.




1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 IMSA (info)

International Motor Sport Association 1979


Round Date Race State Practiced Started Classified
1 4.2.1979 24 h Daytona USA 70 67  
2 17.3.1979 12 h Sebring USA 84 72  
3 8.4.1979 Road Atlanta [GTU] USA   22  
3 8.4.1979 100 mile Road Atlanta USA   33  
4 22.4.1979 6 h Riverside USA 66 54  
5 29.4.1979 Laguna Seca [GTU] USA   27  
5 29.4.1979 100 mile Laguna Seca USA 34 25  
6 13.5.1979 Hallett [GTU] USA   15  
6 13.5.1979 100 mile Hallett USA   23  
7 28.5.1979 100 mile Lime Rock USA   22  
7 28.5.1979 Lime Rock [GTU] USA   17  
8 17.6.1979 100 mile Brainerd USA   38  
9 4.7.1979 250 mile Daytona Paul Revere USA   49  
10 15.7.1979 250 mile Mid-Ohio USA   43  
11 29.7.1979 100 mile Sears Point USA   34  
11 29.7.1979 Sears Point [GTU] USA   21  
12 5.8.1979 Portland [GTU] USA   17  
12 5.8.1979 100 mile Portland USA   30  
13 2.9.1979 500 mile Road America USA 44 42  
14 23.9.1979 100 mile Road Atlanta II USA   38  
14 23.9.1979 Road Atlanta [GTU] USA   24  
15 25.11.1979 250 mile Daytona Finale USA   67  

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IMSA Round: 1

24 h Daytona

17th Annual 24 Hour Pepsi Challenge, Daytona International Speedway Date: 4.2.1979

Practiced:70(GTX - 22, GTO - 23, GTU - 24)
Started:67(GTX - 22, GTO - 23, GTU - 22)

Circuit length: 6,180 km Race distance: 4227,039 km Winner's average speed: 176,077 km/h

Fastest lap:Peter GreggNo. 1Porsche 935/77A1:49,447203,217 km/h(lap 152)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 0 Ted Field (USA)
Danny Ongais (USA)
Hurley Haywood (USA)
Porsche 935/79 930 990 0029 Interscope Racing 684 24:00:24,870 1. GTX 8. 1:54,072
2. 65 John Morton (USA)
Tony Adamowicz (USA)
Ferrari 365 GTB/4 16407 Modena Sports Cars 635 24:01:23,344 1. GTO 24. 2:05,791
3. 11 Bruce Canepa (USA)
Rick Mears (USA)
Monte Shelton (USA)
Porsche 935 930 770 0954 Bruce Canepa 627 2. GTX 19. 2:00,386
4. 94 Don Whittington (USA)
Bill Whittington (USA)
JŘrgen Barth (D)
Porsche 935/79 930 990 0026 Whittington Bros. Racing 622 3. GTX 6. 1:49,397
5. 7 Yoshimi Katayama (J)
Youjirou Terada (J)
Takashi Yorino (J)
Mazda RX-7 Mazda Technical Center 617 1. GTU 32. 2:05,955
6. 77 Walt Bohren (USA)
Amos Johnson (USA)
Roger Mandeville (USA)
Mazda RX-7 Mazda Technical Center 615 2. GTU 34. 2:06,804
7. 60 Rusty Bond (USA)
Ren Tilton (USA)
Porsche 911 E. J. Pruitt & Sons 612 3. GTU 50. 2:12,729
8. 54 Tony Garcia (USA)
Juan Montalvo (C)
Alberto Vadia (USA)
Porsche Carrera RSR Montura Ranch Estates 587 2. GTO 33. 2:06,274
9. 98 Lance Van Every (USA)
Ash Tisdelle (USA)
Robert Overby (USA)
Porsche Carrera RSR Van Every Racing 579 3. GTO 30. 2:04,607
10. 03 Angelo Pallavicini (CH)
Enzo Calderari (CH)
Marco Vanoli (CH)
Porsche 934 930 670 0162 Lubrifilm Racing 577 4. GTO 40. 2:09,383
11. 75 Mike Ramirez (PR)
Manuel Villa (PR)
Luis Gordillo (PR)
Porsche 911 Mike Ramirez 560 4. GTU 49. 2:12,600
12. 37 Honorato Espinosa (CO)
Francisco Lopez (CO)
Jorge Cortes (CO)
Porsche Carrera Botero Racing 551 5. GTO 27. 2:02,649
13. 33 Peter Welter (USA)
Richard Aten (USA)
Jack Refenning (USA)
Porsche 911 Peter Welter 550 5. GTU 55. 2:13,905
14. 58 Diego Febles (PR)
Phil Currin (USA)
Porsche Carrera Diego Febles Racing 543 6. GTO 25. 2:02,178
15. 5 Charles Mendez (USA)
Johnny Rutherford (USA)
Paul Miller (USA)
Porsche 935 930 770 0957 Budweiser Racing 529 Rear suspension 4. GTX 12. 1:53,028
16. 27 Ray Mummery (USA)
Tom Sheehy (USA)
Luis Sereix (USA)
Porsche 911 S Miami Auto Racing 522 Differential 6. GTU 44. 2:10,219
17. 62 Bill Koll (USA)
Jim Cook (USA)
Porsche 914/6 914 043 0593 Koll Motorsports 511 DNF 7. GTU 39. 2:09,314
18. 95 Stephen Bond (USA)
Philip Dann (USA)
Chevrolet Monza Stephen E. Bond 509 7. GTO 66. no time
19. 21 John Wood (USA)
Tom Bagley (USA)
Carl Shafer (USA)
Chevrolet Camaro Oftedahl Racing 493 8. GTO 14. 1:57,717
20. 42 Tom Ashby (USA)
Bill Bean (USA)
Bob Beasley (USA)
Porsche 911 119 220 830 or 911 410 1035 Bullwinkele Racing, Inc. 493 8. GTU 45. 2:10,600
21. 08 Terry Wolters (USA)
Nort Northam (USA)
Richard Weiss (USA)
Porsche 911 911 030 1263 Southern Racing Ent. 488 9. GTU 67. no time
22. 34 George Drolsom (USA)
Mark Greb (USA)
John Maffucci (USA)
Porsche 911 Drolsom Racing 482 10. GTU 47. 2:11,186
23. 64 C. C. Canada (USA)
Russ Boykin (USA)
Tom Ciccone (USA)
Chevrolet Camaro Lenton B. McGill 458 9. GTO 54. 2:13,721
24. 61 Al Cosentino (USA)
Dick Starita (USA)
Taku Akaike (J)
Mazda RX-3 Faza Squadra 444 11. GTU 48. 2:11,757
25. 8 Anatoly Arutunoff (USA)
JosÚ Marina (USA)
Danny Sullivan (USA)
Lancia Stratos Automobiles International Inc. 439 DNF 12. GTU 53. 2:13,226
26. 6 Dick Barbour (USA)
Brian Redman (GB)
Paul Newman (USA)
Porsche 935/77A 930 890 0024 Dick Barbour Racing 410 Dropped valve 5. GTX 7. 1:51,625
27. 80 Herb Adams (USA)
Peter Frey (USA)
Louis Spoerl (USA)
Pontiac Firebird Herb Adams 408 Oil pressure 10. GTO 65. no time
28. 17 Jim Mederer (USA)
Don Sherman (USA)
Jeff Kline (USA)
Mazda RX-7 Racing Beat 393 DNF 13. GTU 43. 2:10,099
29. 93 Dale Whittington (USA)
R. D. Whittington (USA)
Preston Henn (USA)
Porsche 934 930 670 0173 Whittington Bros. Racing 389 Accident 11. GTO 35. 2:06,847
30. 71 Bill Scott (USA)
Mark Hutchins (USA)
Pierre Honegger (USA)
Porsche 911 Bill Scott Racing 388 DNF 14. GTU 41. 2:09,451
31. 40 Steve Southard (USA)
William Koch (USA)
Earl Roe (USA)
Porsche 914/6 Performance Specialists 385 DNF 15. GTU 59. 2:15,466
32. 1 Bob Wollek (F)
Jacky Ickx (B)
Peter Gregg (USA)
Porsche 935/77A 930 890 0015 Gelo Racing Team 342 Valves 6. GTX 3. 1:47,028
33. 69 Klaus Bytzek (CDN)
Rudy Bartling (CDN)
Ludwig Heimrath (CDN)
Porsche Carrera RSR Bytzek Automotive 335 Oil system 12. GTO 28. 2:03,995
34. 29 Billy Hagan (USA)
Hoyt Overbagh (USA)
Ron Reed (USA)
Chevrolet Monza 001 Stratagraph Inc. 331 DNF 13. GTO 18. 1:59,994
35. 89 Joseph Hamilton (USA)
Rob Hoskins (USA)
Herb Forrest (USA)
Porsche 911 Hamilton House Racing 329 DNF 16. GTU 46. 2:10,618
36. 51 Robert Kirby (USA)
John Hotchkis (USA)
Howard Meister (USA)
Porsche Carrera RSR 911 360 0601 Casablanca Fan Co. 328 DNF 14. GTO 37. 2:08,292
37. 15 Alf Gebhardt (USA)
Sepp Grinbold (USA)
BMW CSL ex-Gregg Bavarian Motors International 299 DNF 15. GTO 36. 2:08,166
38. 81 Ernesto Soto (YV)
Francisco Romero (YV)
Oscar Notz (YV)
Porsche Carrera Performance Export 241 DNF 16. GTO 21. 2:01,072
39. 01 Dave White (USA)
J. Kurt Roehrig (USA)
John Hamilton (USA)
Porsche 911 D. R. Racing 223 DNF 17. GTU 38. 2:08,508
40. 13 Hal Shaw, Jr. (USA)
Tom Spalding (USA)
Norm Ridgely (CDN)
Porsche 935 930 670 0180 Hal Shaw Racing 222 Turbocharger 7. GTX 42. 2:09,852
41. 36 Ron Case (USA)
Dave Panaccione (USA)
Porsche 911 Case Racing 210 DNF 18. GTU 52. 2:13,041
42. 53 Guy Thomas (USA)
Milton Moise (USA)
Tom Nehl (USA)
Chevrolet Camaro Guy Thomas 201 8. GTX 51. 2:12,783
43. 06 Al Levenson (USA)
Gary Baker (USA)
Lanny Hester (USA)
Chevrolet Corvette Al Levenson 197 DNF 17. GTO 57. 2:14,960
44. 23 Charlie Kemp (USA)
Carson Baird (USA)
Kees Nierop (CDN)
Ford Cobra II Charlie Kemp 168 DNF 9. GTX 10. 1:56,726
45. 3 Martino Finotto (I)
Carlo Facetti (I)
Gianpiero Moretti (I)
Porsche 935 930 770 0911 Jolly Club - Sportwagen Racing Team 164 Engine 10. GTX 1. 1:46,113
46. 4 Reinhold J÷st (D)
Rolf Stommelen (D)
Volkert Merl (D)
Porsche 935/77A 930 890 0014 LM Joest Porsche 162 Engine 11. GTX 4. 1:47,907
47. 90 Rick Kump (USA)
Bob Lee (USA)
Sam Miller (USA)
AMC AMX Bob's Speed Products 156 DNF 18. GTO 56. 2:14,460
48. 12 Gerry Wellik (USA)
Tom Bagley (USA)
Joe Chamberlain (USA)
DNS - John Wood (USA)
Chevrolet Camaro Oftedahl Racing 147 DNF 19. GTO 26. 2:02,578
49. 56 Craig Carter (USA)
Murray Edwards (CDN)
Richard Valentine (USA)
Chevrolet Camaro Peerless Racing 144 DNF 20. GTO 17. 1:59,423
50. 2 Manfred Schurti (FL)
John Fitzpatrick (GB)
Bob Wollek (F)
Porsche 935/77A 930 890 0011 Gelo Racing Team 135 Valves 12. GTX 2. 1:46,746
51. 57 John Tremblay (USA)
Bob Lapp (USA)
Datsun 240Z John Tremblay 118 Gearbox 19. GTU 63. no time
52. 9 Bob Akin (USA)
Rob McFarlin (USA)
Roy Woods (USA)
Porsche 935 930 770 0910 Dick Barbour Racing 117 Engine 13. GTX 9. 1:54,500
53. 66 Jean-Claude Andruet (F)
Spartaco Dini (I)
Claude Ballot-LÚna (F)
Ferrari 512 BB 26681 JMS Racing-Pozzi 103 Withdrawn after Delaunay's accident 14. GTX 15. 1:58,780
54. 67 Claude Ballot-LÚna (F)
Michel Leclere (F)
Jean-Claude Andruet (F)
Ferrari 512 BB 26685 JMS Racing-Pozzi 101 Withdrawn after Delaunay's accident 15. GTX 13. 1:57,376
55. 24 Graham Shaw (USA)
Don Yenko (USA)
Jerry Thompson (USA)
Chevrolet Monza Graham Shaw 86 DNF 16. GTX 62. no time
56. 38 Bonky Fernandez (PR)
Chiqui Soldevilla (PR)
Tato Ferrer (PR)
Porsche Carrera RSR 911 460 9113 Boricua Racing 73 DNF 21. GTO 20. 2:00,948
57. 68 Bob Tullius (USA)
Jean-Pierre Delaunay (F)
Pat Bedard (USA)
Ferrari 512 BB 26683 N.A.R.T. 72 Accident 17. GTX 16. 1:58,823
58. 43 Bill McDill (USA)
Stephen Behr (USA)
Chevrolet Camaro Meldeau Tire Co. 59 DNF 18. GTX 31. 2:05,621
59. 46 Mauricio DeNarvaez (CO)
Albert Naon (USA)
Pedro DeNarvaez (CO)
Porsche Carrera RSR 911 360 1099 Mauricio De Narvaez 46 DNF 22. GTO 23. 2:01,586
60. 07 Dave Cowart (USA)
David McClain (USA)
Kenper Miller (USA)
Porsche Carrera Budweiser Racing 35 DNF 23. GTO 22. 2:01,412
61. 00 Preston Henn (USA)
Ted Field (USA) - DND
Danny Ongais (USA) - DND
Porsche 935/77A 930 890 0021 Interscope Racing 29 Accident 19. GTX 11. 1:52,807
62. 14 Steve Griswold (USA)
Steve Earle (USA) - DND
Rick Knoop (USA) - DND
BMW CSL 3427 Bavarian Motors International 25 Cooling system 20. GTX 61. no time
63. 96 Gary Wonzer (USA)
Robert Whitaker (USA) - DND
George Van Arsdale (USA) - DND
DNS - Richard C. Hughes (USA)
Triumph GT6 Gary Wonzer 20 Electrics 20. GTU 60. 2:16,117
64. 48 Frank Leary (USA)
Casey Mollett (USA) - DND
Steve Cook (USA) - DND
Datsun 240Z Frank L. Leary, III 13 Cooling system 21. GTU 58. 2:15,453
65. 18 John Paul (USA)
Al Holbert (USA) - DND
Michael Keyser (USA) - DND
Porsche 935 JLP-1 930 890 0037=>JLP-1 JLP Racing 12 Electrics 21. GTX 5. 1:48,426
66. 79 Bob Bergstrom (USA)
Brad Frisselle (USA) - DND
Mazda RX-7 Sports Ltd. Racing 9 Suspension 22. GTU 64. no time
67. 73 Clark Howey (USA)
Dale Koch (USA) - DND
Tracy Wolf (USA) - DND
Chevrolet Camaro Howey Farms 4 DNF 22. GTX 29. 2:04,328
Did not start:
63 Al Cosentino (USA)
Craig Fisher (CDN)
Mazda RX-3 Faza Squadra GTU no time
78 Ken Williams (USA)
Wiley Doran (USA)
Neil Upchurch (USA)
Datsun 240Z Associated Speed & Performance GTU no time
Running in practice:
T Yoshimi Katayama (J)
Youjirou Terada (J)
Takashi Yorino (J)
Walt Bohren (USA)
Jim Downing (USA)
Roger Mandeville (USA)
Mazda RX-7 Mazda Technical Center GTU no time
In entry list:
04 Rick Thompkins (USA)
Dave Heinz (USA)
Tom Cochran (USA)
Chevrolet Corvette Rick Thompkins GTO
05 Cliff Gottlob (USA)
Danny Terrill (USA)
Chevrolet Corvette Cliff Gottlob
20 Vince DiLella (USA)
Manuel Cueto (USA)
Jose Fernandez (USA)
Porsche 914/6 471 29 12215 DiLella Racing GTU
22 Dale Kreider (USA)
Bruce Davidson (USA)
Chevrolet Corvette Dale Kreider Racing GTO
25 Robert LaMay (USA)
Larry Parker (USA)
Ford Mustang II Larry Parker
31 Hiram Cruz (USA)
Juan Lopez (DR)
Mandy Gonzalez (PR)
Porsche 911 Hiram Cruz GTU
35 Pedro DeNarvaez (CO)
Luis Botero (CO)
Henning Buff (CO)
Porsche Carrera Luis Botero
44 Kent Murry (USA)
George Van Arsdale (USA)
Richard Weiss (USA)
Porsche 911 Sud Porsche Racing GTU
45 Jan Chudziak (USA)
Paul Cloutier (USA)
Lou Timolat (USA)
Mazda RX-3 Paul Cloutier GTU
83 Harro Zitza (USA)
John Belperche (USA)
Doug Zitza (USA)
Porsche 914/6 Zotz Garage Inc. GTU
85 John Hulen (USA)
Ron Coupland (USA)
Bob Speakman (USA)
Porsche 914/6 John E. Hulen GTU
86 Tom Ross (USA)
William Kull (USA)
James Southard (USA)
Ford Pinto Tom Ross Racing GTX
87 Charles Gano (USA)
Earle Moffitt (USA)
Robert Uiterwyk (USA)
Chevrolet Corvette U-Mo Racing
88 Dave Yerger (USA)
Dario Orlando (USA)
Tony Cassata (USA)
Alfa Romeo GTV DAY Enterprise Racing GTU

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IMSA Round: 2

12 h Sebring

Coca-Cola Twelve Hours of Sebring International Grand Prix of Endurance, Sebring Date: 17.3.1979

Practiced:84(GTX - 24, GTO - 29, GTU - 31)
Started:72(GTX - 20, GTO - 24, GTU - 28)

Circuit length: 8,369 km Race distance: 2000,093 km Winner's average speed: 166,512 km/h

Fastest lap:Rolf StommelenNo. 6Porsche 935/77A2:39,145189,306 km/h(lap 115)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 9 Bob Akin (USA)
Rob McFarlin (USA)
Roy Woods (USA)
Porsche 935 930 770 0910 Dick Barbour Racing 239 12:00:42,186 1. GTX 9. 2:51,388
2. 5 Charles Mendez (USA)
Brian Redman (GB)
Paul Miller (USA)
Porsche 935 930 770 0957 Busch Beer Racing 238 12:01:56,366 2. GTX 4. 2:44,435
3. 3 Bob Garretson (USA)
Gary Belcher (USA)
Bob Bondurant (USA)
Porsche 935 930 770 0959 Dick Barbour Racing 235 3. GTX 7. 2:50,179
4. 6 Rolf Stommelen (D)
Dick Barbour (USA)
Rick Mears (USA)
Porsche 935/77A 930 890 0024 Dick Barbour Racing 234 4. GTX 1. 2:38,038
5. 38 Bonky Fernandez (PR)
Tato Ferrer (PR)
Chiqui Soldevilla (PR)
Porsche Carrera RSR 911 460 9113 Boricua Racing 233 1. GTO 16. 2:59,306
6. 13 Hal Shaw, Jr. (USA)
Norm Ridgely (CDN)
Porsche 935 930 670 0180 Hal Shaw Racing 231 5. GTX 14. 2:57,342
7. 69 Horst Kroll (CDN)
Rudy Bartling (CDN)
Porsche Carrera RSR Bytzek Automotive 230 2. GTO 29. 3:02,634
8. 54 Tony Garcia (USA)
Juan Montalvo (C)
Alberto Vadia (USA)
Porsche Carrera RSR Montura Ranch Estates 229 3. GTO 21. 3:00,393
9. 98 Lance Van Every (USA)
Ash Tisdelle (USA)
Porsche Carrera RSR Van Every Racing 226 4. GTO 28. 3:02,283
10. 37 Honorato Espinosa (CO)
Francisco Lopez (CO)
Jorge Cortes (CO)
Porsche Carrera Botero Racing Team 219 5. GTO 24. 3:01,847
11. 60 Rusty Bond (USA)
Ren Tilton (USA)
Porsche 911 E. J. Pruitt & Sons 219 1. GTU 44. 3:10,538
12. 39 Jim Trueman (USA)
John Higgins (USA)
Chip Mead (USA)
Porsche 911 Barrick Motor Racing 215 2. GTU 34. 3:06,293
13. 77 Roger Mandeville (USA)
Amos Johnson (USA)
Jim Downing (USA)
Mazda RX-7 Roger T. Mandeville 213 6. GTX 41. 3:09,405
14. 07 Dave Cowart (USA)
Kenper Miller (USA)
David McClain (USA)
Porsche Carrera Morrison's 205 6. GTO 22. 3:00,963
15. 89 Francisco Romero (YV)
Ernesto Soto (YV)
Porsche Carrera Hector Huerta 201 7. GTO 15. 2:58,344
16. 33 Peter Welter (USA)
Richard Aten (USA)
Jack Refenning (USA)
Porsche 911 Peter Welter 198 3. GTU 49. 3:13,781
17. 2 Bonnie Henn (USA)
Lyn St. James (USA)
Janet Guthrie (USA)
Ferrari 365 GTB/4 13367 Thunderbird Swap-Shop 194 8. GTO 35. 3:06,824
18. 70 Walt Bohren (USA)
James Besmer (USA)
Mazda RX-7 Walt Bohren Racing 193 7. GTX 38. 3:08,610
19. 91 Roger Schramm (USA)
Werner Frank (USA)
Porsche Carrera RSR 911 460 0075? Framm Promotions 192 9. GTO 19. 2:59,836
20. 51 Robert Kirby (USA)
Wayne Baker (USA)
Tom Winters (USA)
Porsche 914/4 Personalized Porsche 188 4. GTU 61. 3:19,375
21. 08 Terry Wolters (USA)
Bob Buchler (USA)
Nort Northam (USA)
Porsche 911 911 030 1263 Moran Construction 182 5. GTU 58. 3:17,269
22. 62 Bill Koll (USA)
Jim Cook (USA)
Dennis Aase (USA)
Porsche 914/6 914 043 0593 Koll Motor Sports 182 6. GTU 20. 3:00,283
23. 93 David Deacon (CDN)
Reagan Riley (CDN)
Hank Franczak (CDN)
Porsche 914/6 914 043 0188 M. Rochas Porsche 179 7. GTU 60. 3:17,716
24. 18 John Paul (USA)
Al Holbert (USA)
Porsche 935 JLP-1 930 890 0037=>JLP-1 JLP Racing 176 Transmission 8. GTX 3. 2:40,190
25. 52 Jack Swanson (USA)
Dick Gauthier (USA)
Chevrolet Camaro Ours & Hours Racing 158 10. GTO 63. 3:20,648
26. 09 Hurley Haywood (USA)
Preston Henn (USA)
Peter Gregg (USA)
Porsche 935/77A 930 890 0021 Thunderbird Swap-Shop 157 Engine 9. GTX 2. 2:39,912
27. 66 Jeff Loving (USA)
Richard Small (USA)
Ralph Noseda (USA)
Chevrolet Camaro Sunset Racing 148 DNF 11. GTO 42. 3:09,711
28. 46 Mauricio DeNarvaez (CO)
Albert Naon (USA)
Porsche Carrera RSR 911 360 1099 Mauricio deNarvaez 147 DNF 12. GTO 12. 2:55,942
29. 01 Dave White (USA)
Robert Overby (USA)
Porsche 911 Roehrig Racing 147 8. GTU 31. 3:04,552
30. 12 Ford Smith (USA)
Jimmy Tumbleston (USA)
Neil Potter (USA)
Chevrolet Camaro Ford Smith Racing 139 Engine 13. GTO 76. 3:44,363
31. 71 Bruce Jennings (USA)
Bob Beasley (USA)
Porsche 911 Bruce Jennings 136 DNF 9. GTU 55. 3:16,189
32. 44 George Van Arsdale (USA)
Kent Murry (USA)
Porsche 911 SUD Porsche Racing 131 10. GTU 52. 3:14,788
33. 02 J. Dana Roehrig (USA)
J. Kurt Roehrig (USA)
Porsche 911 Roehrig Racing 128 11. GTU 70. no time
34. 53 Guy Thomas (USA)
Milton Moise (USA)
Tom Nehl (USA)
Chevrolet Camaro Guy F. Thomas 122 10. GTX 51. 3:14,405
35. 00 Ted Field (USA)
Danny Ongais (USA)
Porsche 935/77A 930 890 0019 Interscope Racing 120 Suspension 11. GTX 5. 2:45,929
36. 43 Bill McDill (USA)
Tom Frank (USA)
Chevrolet Camaro Meldeau Tire Stores 118 12. GTX 25. 3:01,937
37. 81 Steve Faul (USA)
Herb Jones, Jr. (USA)
Fred Lang (USA)
Chevrolet Corvette Jones Ind. Racing 116 DNF 14. GTO 59. 3:17,425
38. 29 Billy Hagan (USA)
Hoyt Overbagh (USA)
Ron Reed (USA)
Chevrolet Monza 001 Stratagraph 115 DNF 15. GTO 71. no time
39. 50 Rainer Brezinka (CDN)
Gary Hirsch (CDN)
Fritz Hochreuter (CDN)
Porsche 911 R & H Racing 109 DNF 12. GTU 48. 3:13,708
40. 75 Mike Ramirez (PR)
Manuel Villa (PR)
Luis Gordillo (PR)
Porsche 911 Mike Ramirez 108 Engine 13. GTU 72. no time
41. 36 Ron Case (USA)
Dave Panaccione (USA)
Porsche 911 Case Racing 106 DNF 14. GTU 46. 3:13,129
42. 94 Bill Whittington (USA)
Don Whittington (USA)
Porsche 935/79 930 990 0026 Whittington Bros. Racing 104 Accident 13. GTX 6. 2:46,236
43. 72 Bill Scott (USA)
Pierre Honegger (USA)
Porsche 911 Bill Scott Racing-Z&W 99 DNF 15. GTU 37. 3:07,297
44. 92 Dale Whittington (USA)
R. D. Whittington (USA)
Milt Minter (USA)
Porsche 934 930 670 0173 Whittington Bros. Racing 94 Suspension 16. GTO 13. 2:56,362
45. 88 Dave Yerger (USA)
Dario Orlando (USA)
Del Russo Taylor (USA)
Alfa Romeo GTV Day Enterprise Racing 90 DNF 16. GTU 67. 3:25,549
46. 85 John Hulen (USA)
Ron Coupland (USA)
Bob Speakman (USA)
Porsche 914/6 John E. Hulen 82 DNF 17. GTU 39. 3:08,880
47. 56 Craig Carter (USA)
Murray Edwards (CDN)
Richard Valentine (USA)
Chevrolet Camaro Peerless Racing 81 Engine 17. GTO 17. 2:59,369
48. 23 Charlie Kemp (USA)
Kees Nierop (CDN)
Carson Baird (USA)
Ford Cobra II Kemp Motoracing 80 Engine 14. GTX 30. 3:03,590
49. 27 Ray Mummery (USA)
Tom Sheehy (USA)
Luis Sereix (USA)
Porsche 911 S Miami Auto Racing 80 DNF 18. GTU 43. 3:09,916
50. 97 Ricardo Londono (CO)
George Garces
John Gunn (USA)
Porsche 935 911 620 0385=>930 670 0175░ Ricardo Londono 77 DNF 15. GTX 10. 2:48,017
51. 8 Anatoly Arutunoff (USA)
JosÚ Marina (USA)
Danny Sullivan (USA)
Lancia Stratos Automobiles International 75 Engine 19. GTU 57. 3:16,721
52. 34 George Drolsom (USA)
Mark Greb (USA)
John Maffucci (USA)
Porsche 911 Drolsom Racing 75 Transmission 20. GTU 65. 3:22,202
53. 03 Tico Almeida (USA)
Rene Rodriguez (USA)
Pepe Romero (USA)
Chevrolet Corvette Greenwood 001 Motorcito Racing 73 Engine 18. GTO 53. 3:14,959
54. 31 Hiram Cruz (USA)
Juan Lopez (DR)
Mandy Gonzalez (PR)
Porsche 911 Hiram Cruz 66 DNF 21. GTU 40. 3:09,039
55. 58 Diego Febles (PR)
Phil Currin (USA)
Porsche Carrera Diego Febles Racing 65 Transmission 19. GTO 23. 3:01,781
56. 79 Bob Bergstrom (USA)
Brad Frisselle (USA)
Mazda RX-7 Sports Ltd. Racing 64 DNF 22. GTU 36. 3:06,845
57. 04 Rick Thompkins (USA)
Dave Heinz (USA)
Chevrolet Corvette Rick Thompkins 61 Engine 20. GTO 75. 3:32,034
58. 95 Stephen Bond (USA)
Philip Dann (USA)
Chevrolet Monza Ozone Industries 49 Transmission 21. GTO 74. no time
59. 22 Peter Kirill (USA)
Gerry Wellik (USA)
Carl Shafer (USA)
Chevrolet Camaro Oftedahl Racing 37 DNF 22. GTO 64. 3:21,880
60. 25 Bob Zulkowski (USA)
Gerard Raney (USA)
Porsche 914/6 473 29 24107 Metal Craft Racing 34 DNF 23. GTU 47. 3:13,368
61. 17 Kenneth LaGrow (USA)
William Boyer (USA)
Chevrolet Camaro Kenneth D. LaGrow 29 Out of fuel 16. GTX 56. 3:16,291
62. 16 Darrel Overstreet (USA)
Dwight Mitchell (USA)
Porsche 914/6 Overstreet Racing Ent. 25 Engine 24. GTU 32. 3:05,487
63. 28 Clif Kearns (USA)
Gianpiero Moretti (I)
Porsche 935 DMV 470 12CA=>930 770 0960░ Desperado Racing 23 Out of fuel 17. GTX 11. 2:51,799
64. 61 Bill Bean (USA)
Al Cosentino (USA) - DND
Tom Ashby (USA) - DND
Mazda RX-3 Bill Bean 19 DNF 25. GTU 45. 3:12,093
65. 7 Ludwig Heimrath (CDN)
"Jamsal" (ES) - DND
Carlos Moran (ES) - DND
Porsche 935 930 770 0958 Heimrath Racing 17 DNF 18. GTX 8. 2:50,509
66. 57 John Tremblay (USA)
Bob Lapp (USA) - DND
Datsun 240Z J. F. Tremblay 12 DNF 26. GTU 62. 3:20,448
67. 40 Steve Southard (USA)
Earl Roe (USA) - DND
Porsche 914/6 Performance Specialists 11 DNF 27. GTU 54. 3:15,848
68. 67 Manuel Quintana (USA)
Joaquin Balaguer (DR) - DND
Jorge DeCardenas (USA) - DND
Pedro Vazquez (USA) - DND
Porsche 911 Quintana Racing 9 DNF 28. GTU 66. 3:24,280
69. 48 Sam Fillingham (USA)
Courtney Canfield (USA) - DND
Tim Chitwood (USA) - DND
Chevrolet Corvette Fillingham Racing 8 Engine 23. GTO 50. 3:13,963
70. 21 Carl Shafer (USA)
John Wood (USA) - DND
Chevrolet Camaro Oftedahl/Shafer Farms 8 Engine 24. GTO 26. 3:02,059
71. 15 Alf Gebhardt (USA)
Bruno Beilcke (D) - DND
BMW CSL Bavarian Motors 4 DNF 25. GTO 27. 3:02,080
72. 4 Mark Leuzinger (USA)
Mike Van der Werff (USA) - DND
De Tomaso Pantera 2846 B. R. Racing Team 0 Electrics 26. GTO 73. no time
Did not start:
0 Danny Ongais (USA)
Ted Field (USA)
Porsche 935/79 930 990 0029 Interscope Racing Alternate car GTX 2:55,360
06 Gary Wonzer (USA)
George Van Arsdale (USA)
Triumph GT6 Gary J. Wonzer GTU 4:05,417
14 Josele Garza (USA)
Bill McVey (USA)
Glen Cross (USA)
Porsche Carrera Precision School of Racing Withdrawn GTO 68. 3:25,569
41 Herb Jones, Jr. (USA)
Dean Hollis (USA)
Chevrolet Camaro Jones Ind. Racing GTX 18. 2:59,435
47 Tim Chitwood (USA)
Joie Chitwood (USA)
Chevrolet Nova Tim Chitwood Withdrawn GTO 33. 3:06,233
68 Al Cosentino (USA)
Bill Bean (USA)
Tom Ashby (USA)
Mazda RX-3 Alfred Cosentino GTU 4:21,268
74 Raul Garcia (USA)
Manuel Cueto (USA)
Chevrolet Camaro Raul Garcia GTO 3:38,006
76 Ken Williams (USA)
Wiley Doran (USA)
Datsun 240Z Associated Speed & Performance Withdrawn GTU 3:38,566
78 Ignacio Gonzalez (PR)
Eugenio Matienzo (USA)
Chevrolet Camaro Iggy Gonzalez GTX 3:06,845
86 Tom Ross (USA)
Paul Tavilla (USA)
Ford Pinto Team Ross Racing GTX 3:53,905
87 Mike Williamson (USA)
Wayne Miller (USA)
Charles Gano (USA)
Chevrolet Corvette U-Mo Racing GTO 69. 3:24,105
90 Bob Lee (USA)
Rick Kump (USA)
AMC AMX Bob's Speed Products Withdrawn GTO 3:40,462
In entry list:
10 Amos Johnson (USA)
Dennis Shaw (USA)
AMC Spirit Levi's Team Highball GTX
24 Graham Shaw (USA)
Don Yenko (USA)
Jerry Thompson (USA)
Chevrolet Monza Graham Shaw GTX
26 Alejandro Cortes (USA)
Mike Powell (USA)
Ford Mustang Alejandro Cortes GTO
83 Joseph Hamilton (USA)
Rob Hoskins (USA)
Porsche 911 Hamilton House Racing GTU

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IMSA Round: 3

Road Atlanta [GTU]

Winston GT (Winston GTU Race), Road Atlanta Date: 8.4.1979

Started:22(GTU - 22)

Circuit length: Race distance: 121,666 km Winner's average speed: 126,812 km/h

Fastest lap:Don DevendorfNo. 83Datsun 240Z1:42,28142,746 km/h(lap 5)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 83 Don Devendorf (USA) Datsun 240Z Electramotive 30 0:57:33,933 1. GTU 3.
2. 33 Sam Posey (USA) Datsun 260Z Bob Sharp Racing 30 0:57:48,928 2. GTU 2.
3. 79 Bob Bergstrom (USA) Mazda RX-7 Sports Ltd. Racing 29 3. GTU 5.
4. 64 Dennis Aase (USA) Porsche 911 Dennis Aase 29 4. GTU 1. 1:32,879
5. 38 Jim Fitzgerald (USA) Datsun Z Jim Fitzgerald 29 5. GTU 6.
6. 19 Richard Kendrick (USA) Datsun 240Z Richard Kendrick 29 6. GTU 16.
7. 7 Walt Bohren (USA) Mazda RX-7 Walt Bohren Racing 29 7. GTU 13.
8. 48 Frank Leary (USA) Datsun 240Z Frogline Racing 28 8. GTU 4.
9. 08 Terry Wolters (USA) Porsche 911 911 030 1263 Moran Construction 28 9. GTU 19.
10. 60 Rusty Bond (USA) Porsche 911 E. J. Pruitt & Sons 28 10. GTU 10.
11. 62 Bill Koll (USA) Porsche 914/6 914 043 0593 William Koll 28 11. GTU 7.
12. 85 Ron Coupland (USA) Porsche 914/6 Ron Copeland 28 12. GTU 11.
13. 77 Roger Mandeville (USA) Mazda RX-7 Roger Mandeville 27 13. GTU 8.
14. 16 Darrel Overstreet (USA) Porsche 914/6 Darrel Overstreet 27 14. GTU 17.
15. 82 William Brewster (USA) Porsche 914/6 Schneider Autohaus 26 15. GTU 20.
16. 26 Ernie Smith (USA) Alfa Romeo Eleven-Tenths Racing 24 16. GTU 23.
17. 76 Ken Williams (USA) Datsun 240Z Assoc. Speed and Perf. 23 17. GTU 15.
18. 53 Tony Rolfe (USA) BMW 2002 - 18 18. GTU 22.
19. 69 Frank Harmstad (USA) Porsche 914/6 914 043 1177 Frank Harmstad 17 DNF 19. GTU 12.
20. 27 Ray Mummery (USA) Porsche 911 Busch Beer 13 DNF 20. GTU 18.
21. 66 Ed Kelly (USA) Datsun 240Z Ed Kelly 10 DNF 21. GTU 14.
22. 1 Dave White (USA) BMW 320i Roehrig Racing 7 DNF 22. GTU 9.
In entry list:
01 Robert Overby (USA) Porsche 911 Roehrig Racing GTU
4 Ted Schumacher (USA) Triumph GT6 Ted Schumacher GTU
9 Paul Spruell (USA) Alfa Romeo Paul Spruell GTU
14 Sidney Smith (USA)
Karl Schoepflin (USA)
Tommy Johnson (USA)
Porsche 914/6 Stoney Smith GTU
34 George Drolsom (USA) Porsche 911 George Drolsom GTU
43 Craig Richie (USA)
Mike Miller (USA)
Bob Ryan (USA)
Porsche 911 Greig Richie GTU
52 Jack Swanson (USA) Porsche 911 Snowmobile Racing Team GTU
61 Al Cosentino (USA) Mazda RX-3 Faza Squadra GTU
88 Joseph Hamilton (USA) Porsche 911 Hamilton House Racing GTU

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IMSA Round: 3

100 mile Road Atlanta

Winston GT (Winston GT Race), Road Atlanta Date: 8.4.1979

Started:33(GTX - 15, GTO - 18)

Circuit length: Race distance: 162,222 km Winner's average speed: 137,071 km/h

Fastest lap:David HobbsNo. 2BMW 320i Turbo1:23,69174,453 km/h(lap 4)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 59 Peter Gregg (USA) Porsche 935/79 930 990 0030 Brumos Porsche Audi 40 1:11:00,551 1. GTX 1. 1:21,280
2. 3 Jim Busby (USA) BMW 320i Turbo 004 Jim Busby Racing 39 1:12:30,982 2. GTX 7.
3. 93 Don Whittington (USA) Porsche 935 930 670 0152 Whittington Brothers 39 3. GTX 5.
4. 30 Gianpiero Moretti (I) Porsche 935/79 930 990 0032 Electrodyne 38 4. GTX 6.
5. - Howard Meister (USA) Porsche Carrera RSR 911 560 9121 Alan Johnson Racing/Meister Homes 38 1. GTO 16.
6. 2 David Hobbs (GB) BMW 320i Turbo 003 McLaren North American 38 5. GTX 2.
7. 99 Phil Currin (USA) Chevrolet Corvette Full-Time Racing 38 6. GTX 9.
8. 5 Charles Mendez (USA) Porsche 935 930 770 0957 Busch Racing 38 7. GTX 13.
9. 46 Mauricio DeNarvaez (CO) Porsche Carrera RSR 911 360 1099 Mauricio DeNarvaez 37 2. GTO 19.
10. 21 Carl Shafer (USA) Chevrolet Camaro Shafer Farms/Oftedahl 37 3. GTO 18.
11. 98 Ash Tisdelle (USA) Porsche Carrera RSR Van Every Racing 37 4. GTO 24.
12. 07 Dave Cowart (USA) Porsche Carrera Morrison's 37 5. GTO 15.
13. 94 Bill Whittington (USA) Porsche 935/79 930 990 0026 Whittington Brothers 37 8. GTX 4.
14. 00 Ted Field (USA) Porsche 935/77A 930 890 0019 Interscope Racing 36 9. GTX 8.
15. 48 John Carusso (USA) Chevrolet Corvette Autodyne 36 6. GTO 20.
16. 4 Joe Cotrone (USA) Chevrolet Corvette Rattler Racing 35 7. GTO 32.
17. 54 Tony Garcia (USA) Porsche Carrera RSR Montura 33 8. GTO 30.
18. 39 Skip DeAscentis (USA) Chevrolet Corvette DeAscentis Racing 33 9. GTO 31.
19. 09 Preston Henn (USA) Porsche 935/77A 930 890 0021 Thunderbird Swap Shops 33 10. GTX 11.
20. 29 Hoyt Overbagh (USA) Chevrolet Monza 001 Stratagraph 32 10. GTO 33.
21. 22 Peter Kirill (USA) Chevrolet Camaro Oftedahl 32 11. GTO 28.
22. 80 Maurice Carter (CDN) Chevrolet Camaro Maurice Carter 32 11. GTX 10.
23. 0 Danny Ongais (USA) Porsche 935/79 930 990 0029 Interscope Racing 31 DNF 12. GTX 3.
24. 03 Werner Frank (USA) Porsche 934 930 670 0162 Werner Frank 30 DNF 12. GTO 36.
25. 38 Bonky Fernandez (PR) Porsche Carrera RSR 911 460 9113 Boricua Racing 29 DNF 13. GTO 17.
26. 25 Kenper Miller (USA) BMW CSL Deren Automotive 25 DNF 14. GTO 12. 1:28,831
27. 17 Dan Furey (USA) Chevrolet Vega Dan Furey 25 13. GTX 23.
28. 81 Mickey Agee (USA) Chevrolet Corvette Port City Racing 23 DNF 15. GTO 25.
29. 41 Herb Jones, Jr. (USA) Chevrolet Camaro Jones Ind. Racing 18 DNF 14. GTX 22.
30. 85 John Hulen (USA) Porsche 914/6 John Hulen 16 DNF 16. GTO 38.
31. 63 Luis Sereix (USA) Chevrolet Camaro Jose Gonzalez 8 DNF 17. GTO 21.
32. 28 Clif Kearns (USA) Porsche 935 DMV 470 12CA=>930 770 0960░ Desperado Racing 8 DNF 15. GTX 14.
33. 8 Bob Beasley (USA) Porsche Carrera RSR 911 460 0035 Bob Beasley 6 DNF 18. GTO 29.
In entry list:
1 Dave Heinz (USA) Chevrolet Monza DeKon 1014 Budweiser Racing Team GTX
11 Dale Kreider (USA) Chevrolet Corvette Dale Kreider Racing GTO
12 Ford Smith (USA) Chevrolet Corvette Ed Macon GTO
19 Chris Cord (USA) Chevrolet Monza DeKon 1011 Chris Cord Racing GTX
40 Tony DeLorenzo (USA)
Bill Wink (USA)
Chevrolet Corvette Wink/DeLorenzo Racing GTO
49 Joe Catron (USA) Chevrolet Corvette Rattler Racing GTO
53 Guy Thomas (USA) Chevrolet Camaro Thomas Motor Racing GTX
72 Philip Keirn (USA) Chevrolet Corvette Keirn Garage GTO

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IMSA Round: 4

6 h Riverside

Los Angeles Times Grand Prix of Endurance, Riverside International Speedway Date: 22.4.1979

Practiced:66(GTX - 21, GTO - 16, GTU - 27)
Started:54(GTX - 19, GTO - 12, GTU - 23)

Circuit length: 5,311 km Race distance: 1035,613 km Winner's average speed: 171,909 km/h

Fastest lap:Peter GreggNo. 59Porsche 935/791:43,87184,067 km/h(lap 153)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 94 Don Whittington (USA)
Bill Whittington (USA)
Porsche 935/79 930 990 0026 Whittington Brothers Racing 195 6:01:27,247 1. GTX 7. 1:45,370
2. 18 John Paul (USA)
Al Holbert (USA)
Porsche 935 JLP-1 930 890 0037=>JLP-1 JLP Racing 195 6:02:54,091 2. GTX 2. 1:42,869
3. 16 George Follmer (USA)
Brett Lunger (USA)
Derek Bell (GB)
Porsche 935/77A 930 890 0025 Vasek Polak 189 3. GTX 45. no time
4. 9 Rob McFarlin (USA)
Roy Woods (USA)
Bob Akin (USA)
Porsche 935 930 770 0910 Dick Barbour Racing 189 4. GTX 13. 1:48,731
5. 59 Peter Gregg (USA)
Klaus Ludwig (D)
Porsche 935/79 930 990 0030 Brumos Porsche 185 5. GTX 1. 1:40,796
6. 6 Rolf Stommelen (D)
Brian Redman (GB)
Dick Barbour (USA)
Porsche 935/77A 930 890 0024 Dick Barbour Racing 183 6. GTX 3. 1:44,247
7. 07 Dave Cowart (USA)
Kenper Miller (USA)
Porsche Carrera Morrison's 181 1. GTO 24. 1:56,912
8. 54 Tony Garcia (USA)
Terry Herman (USA)
Porsche Carrera RSR Montura Racing 181 2. GTO 18. 1:54,857
9. 4 Skeeter McKitterick (USA)
Bob Garretson (USA)
Gary Belcher (USA)
Porsche 935 930 770 0959 Dick Barbour Racing 179 7. GTX 12. 1:48,675
10. 83 Don Devendorf (USA)
Tony Adamowicz (USA)
Datsun 280ZX Electramotive 178 1. GTU 23. 1:56,397
11. 23 Jim Cook (USA)
Robert Kirby (USA)
Porsche Carrera Cerwin-Vega 176 3. GTO 19. 1:55,668
12. 79 Bob Bergstrom (USA)
Brad Frisselle (USA)
Mazda RX-7 Sports Ltd. Racing 175 2. GTU 47. no time
13. 62 Bill Koll (USA)
Bill Bean (USA)
Porsche 914/6 914 043 0593 Koll Motor Sports 174 3. GTU 31. 1:59,844
14. 77 Roger Mandeville (USA)
Jim Downing (USA)
Mazda RX-7 Roger Mandeville 174 4. GTU 30. 1:59,306
15. - Steve Earle (USA)
Pete Smith (USA)
Porsche Carrera Vasek Polak 173 8. GTX 41. no time
16. 46 Mauricio DeNarvaez (CO)
Albert Naon (USA)
Porsche Carrera RSR 911 360 1099 de Narvaez Racing 173 4. GTO 32. 2:00,112
17. 24 Tom Frank (USA)
Ralph Kent-Cooke (USA)
Chevrolet Monza DeKon 1004 Tom Frank 172 9. GTX 15. 1:52,349
18. 35 Stu Fisher (USA)
Ed Parks (USA)
Mazda RX-7 JLC Racing 171 5. GTU 34. 2:00,288
19. 7 Walt Bohren (USA)
Ron Cortez (USA)
Mazda RX-7 Walt Bohren Racing 171 6. GTU 55. no time
20. 06 Jon Milledge (USA)
Darrel Overstreet (USA)
Porsche 914/6 Darrel Overstreet 170 7. GTU 33. 2:00,169
21. 60 Rusty Bond (USA)
Ren Tilton (USA)
Porsche 911 E. J. Pruitt 167 8. GTU 43. no time
22. - Howard Meister (USA)
Rick Knoop (USA)
Porsche Carrera RSR 911 560 9121 Alan L. Johnson 166 DNF 5. GTO 16. 1:53,020
23. 82 Rodd Harrison (USA)
William Brewster (USA)
Porsche 914/6 914 143 0178 Schneider Autohaus 164 9. GTU 40. no time
24. 56 Rick Borlase (USA)
Don Kravig (USA)
Porsche 911 911 210 0224 Rick Borlase 158 6. GTO 35. 2:00,558
25. 39 Cliff Hansen (USA)
John Higgins (USA)
Porsche 911 Barrick Motor Racing 156 10. GTU 51. no time
26. 32 Honorato Espinosa (CO)
Francisco Lopez (CO)
Jorge Cortes (CO)
Porsche Carrera Luis Botero 152 7. GTO 21. 1:56,076
27. 38 Tato Ferrer (PR)
Bonky Fernandez (PR)
Porsche Carrera RSR 911 460 9113 Boricua Racing 143 8. GTO 20. 1:55,806
28. 8 Anatoly Arutunoff (USA)
JosÚ Marina (USA)
Lancia Stratos Automobile International 141 11. GTU 53. no time
29. 10 Otis Chandler (USA)
John Thomas (USA)
Porsche 935/79 930 990 0027 Otis Chandler 136 10. GTX 11. 1:48,215
30. 64 Dennis Aase (USA)
Alan Johnson (USA)
Porsche 911 Dennis Aase 127 DNF 12. GTU 25. 1:57,047
31. 52 Wayne Baker (USA)
Tom Winters (USA)
Porsche 914/4 Personalized Autohaus 123 DNF 13. GTU 50. no time
32. 17 Jeff Kline (USA)
Jim Mederer (USA)
Mazda RX-7 Racing Beat 113 14. GTU 28. 1:58,600
33. 01 Dave White (USA)
Pat Bedard (USA)
BMW 320i J. Kurt Roehrig 113 DNF 15. GTU 36. 2:00,946
34. 00 Ted Field (USA)
Milt Minter (USA)
Porsche 935/77A 930 890 0019 Interscope Racing 100 DNF 11. GTX 9. 1:47,386
35. 09 Bob Bondurant (USA)
Preston Henn (USA)
Porsche 935/77A 930 890 0021 Thunderbird Swap Shop 99 DNF 12. GTX 8. 1:45,521
36. 49 Phil Currin (USA)
John Carusso (USA)
Chevrolet Corvette Autodyne 90 DNF 9. GTO 17. 1:53,958
37. 5 Charles Mendez (USA)
Paul Miller (USA)
Porsche 935 930 770 0957 Busch Beer Racing 88 DNF 13. GTX 10. 1:47,909
38. 2 Manfred Winkelhock (D)
David Hobbs (GB)
DNS - Jim Busby (USA)
BMW 320i Turbo 003 McLaren North America 55 DNF 14. GTX 6. 1:45,284
39. 19 Chris Cord (USA)
Jim Adams (USA)
Chevrolet Monza DeKon 1011 Chris Cord 48 DNF 15. GTX 5. 1:44,760
40. 48 Frank Leary (USA)
Casey Mollett (USA)
Datsun 240Z Frank Leary 42 DNF 16. GTU 49. no time
41. 25 Bob Zulkowski (USA)
Bernie Storc (USA)
Porsche 914/6 473 29 24107 Metal Craft Racing 42 DNF 17. GTU 54. no time
42. 30 Gianpiero Moretti (I)
Hurley Haywood (USA)
Porsche 935/79 930 990 0032 Electrodyne/Moretti 41 Accident 16. GTX 46. no time
43. 34 Craig Richie (USA)
Jeff Scott (USA) - DND
Mike Miller (USA) - DND
Porsche 911 Craig Richie 40 DNF 18. GTU 26. 1:58,059
44. 37 Gerry Wellik (USA)
Doug Rippie (USA) - DND
Chevrolet Corvette Doug Rippie 39 DNF 10. GTO 37. no time
45. 33 Sam Posey (USA)
Paul Newman (USA) - DND
Datsun 280ZX Bob Sharp Racing 37 Accident 19. GTU 27. 1:58,240
46. 26 John Ware (USA)
Tony Rouff (USA) - DND
Chevrolet Camaro John Ware 36 DNF 11. GTO 39. no time
47. 51 Tom Lawson (USA)
John Goodspeed (USA) - DND
Robert L. Douglas (USA) - DND
Porsche 914/6 John Goodspeed 34 DNF 20. GTU 44. no time
48. 63 Greg Gustafson (USA)
Pete Halsmer (USA)
Harry Worley (USA) - DND
Porsche 911 Greg Gustafson 32 DNF 21. GTU 48. no time
49. 41 Herb Jones, Jr. (USA)
Steve Faul (USA) - DND
Chevrolet Camaro Jones Ind. Racing 32 DNF 17. GTX 22. 1:56,155
50. 31 Tom Alan Marx (USA)
Marc Rothman (USA) - DND
Michael Hammond (USA) - DND
Porsche Carrera RSR RSR Associates 13 DNF 12. GTO 29. 1:59,270
51. 11 Bobbee Nylander (USA)
Gary Nylander (USA) - DND
Porsche 911 Race Tech 13 DNF 22. GTU 42. no time
52. 3 Jim Busby (USA)
Toine Hezemans (NL) - DND
BMW 320i Turbo 004 Jim Busby Racing 8 Engine 18. GTX 4. 1:44,423
53. 13 Hal Shaw, Jr. (USA)
Charles Moran (USA) - DND
Mike Brockman (USA) - DND
Porsche 935 930 670 0180 Hal Shaw Racing 6 DNF 19. GTX 14. 1:51,051
54. 22 Rich Mandella (USA)
Norm Ridgely (CDN) - DND
Jeffrey Stephens (USA) - DND
Porsche 914/6 Cerwin-Vega 5 DNF 23. GTU 38. no time
55. 36 Ron Case (USA)
Tim Sharp (USA)
Porsche 911 Case Racing 1 DNF GTU 2:08,548
Did not start:
12 Mandy Gonzalez (PR)
John Morton (USA)
Porsche 935/77A Vasek Polak GTX 52. no time
15 Alf Gebhardt (USA)
Bruno Beilcke (D)
BMW 3.5 CSL Bavarian Motors International GTO 56. no time
20 Larry Stephans (USA) Chevrolet Corvette Larry Stephans GTX
45 Mike Perlin (USA)
Ken McNicol (USA)
Porsche 911 Mike Perlin GTU
66 Joe Crevier (USA)
Erich Laetsch (USA)
Skeeter McKitterick (USA)
Ferrari 365 GTB/4 16343 Joe Crevier GTO 2:09,265
78 Dave Burns (USA)
Andy Scopazzi (USA)
Alfa Romeo GTV Anthony's Auto Craft GTU
88 Barry Maashoff (USA)
Joe Korpiel (USA)
Ted Maashoff (USA)
Porsche 911 Crismark GTO 2:05,310
Did not qualify:
14 David Vegher (USA)
Tom Hines (USA)
Alfa Romeo GTV Veloce Motors West GTU 2:10,240
75 Patrick Pearson (USA)
Ron Cortez (USA)
Ford Mustang Patrick Pearson GTO no time
Running in practice:
0T Ted Field (USA)
Milt Minter (USA)
Porsche 935/79 930 990 0029 Interscope Racing GTX
83T Don Devendorf (USA)
Tony Adamowicz (USA)
Datsun 240Z Electramotive GTU
In entry list:
40 Bill Craine (USA)
Ted Mathey (USA)
Chevrolet Corvette Bill Craine GTX
43 Bob Gregg (USA)
Len Jones (USA)
Porsche 911 Bob Gregg GTU
47 Bill Shaw (USA)
Raul Cordoba (USA)
Greg LaCava (USA)
Honda Civic William L. Shaw GTX
76 Joe Chamberlain (USA) Chevrolet Corvette Arrow Racing GTX
85 Mark Pielsticker (USA)
Dan Gallant (USA)
Chevrolet Monza Gallant 001 Mark Pielsticker GTO

Qualifying Race Aggregate

Winner's average speed: 152,917 km/h

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 37 Gerry Wellik (USA)
Doug Rippie (USA)
Chevrolet Corvette Doug Rippie 10 0:20:50,289 GTO
2. 22 Rich Mandella (USA)
Norm Ridgely (CDN)
Jeffrey Stephens (USA)
Porsche 914/6 Cerwin-Vega GTU
3. 26 John Ware (USA)
Tony Rouff (USA)
Chevrolet Camaro John Ware GTO
4. 82 Rodd Harrison (USA)
William Brewster (USA)
Porsche 914/6 914 143 0178 Schneider Autohaus GTU
5. - Steve Earle (USA)
Pete Smith (USA)
Porsche Carrera Vasek Polak GTX
6. 11 Bobbee Nylander (USA)
Gary Nylander (USA)
Porsche 911 Race Tech GTU
7. 60 Rusty Bond (USA)
Ren Tilton (USA)
Porsche 911 E. J. Pruitt GTU
8. 51 Tom Lawson (USA)
John Goodspeed (USA)
Robert L. Douglas (USA)
Porsche 914/6 John Goodspeed GTU
9. 8 Anatoly Arutunoff (USA)
JosÚ Marina (USA)
Lancia Stratos Automobile International GTU
10. 75 Patrick Pearson (USA)
Ron Cortez (USA)
Ford Mustang Patrick Pearson GTO
11. 36 Ron Case (USA)
Tim Sharp (USA)
Porsche 911 Case Racing GTU
12. 14 David Vegher (USA)
Tom Hines (USA)
Alfa Romeo GTV Veloce Motors West GTU
13. 52 Wayne Baker (USA)
Tom Winters (USA)
Porsche 914/4 Personalized Autohaus GTU
Did not finish:
14. 48 Frank Leary (USA)
Casey Mollett (USA)
Datsun 240Z Frank Leary GTU
15. 63 Greg Gustafson (USA)
Pete Halsmer (USA)
Harry Worley (USA)
Porsche 911 Greg Gustafson GTU

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IMSA Round: 5

Laguna Seca [GTU]

Monterey Triple Crown (Winston GTU Race), Laguna Seca Raceway Date: 29.4.1979

Started:27

Circuit length: Race distance: 119,252 km Winner's average speed: 153,071 km/h

Fastest lap:Sam PoseyNo. 33Datsun Z1:10,46156,229 km/h(lap 16)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 83 Don Devendorf (USA) Datsun 280ZX Electramotive 39 0:46:44,647 1. GTU 2. 1:10,499
2. 33 Sam Posey (USA) Datsun Z 39 0:46:55,448 2. GTU 1. 1:10,366
3. 48 Frank Leary (USA) Datsun 240Z 39 3. GTU 3. 1:11,435
4. 79 Bob Bergstrom (USA) Mazda RX-7 Sports Ltd. Racing 39 4. GTU 18. 1:14,927
5. 89 Greg LaCava (USA) Porsche 911 39 5. GTU 6. 1:12,077
6. 77 Roger Mandeville (USA) Mazda RX-7 Roger Mandeville 38 6. GTU 10. 1:13,624
7. 74 Casey Mollett (USA) Datsun 240Z 38 7. GTU 17. 1:14,847
8. 17 Jeff Kline (USA) Mazda RX-7 Racing Beat 38 8. GTU 16. 1:14,703
9. 62 Bill Koll (USA) Porsche 914/6 914 043 0593 Koll Motor Sports 38 9. GTU 15. 1:14,589
10. 16 Darrel Overstreet (USA) Porsche 914/6 Darrel Overstreet 38 10. GTU 9. 1:13,586
11. 82 Rodd Harrison (USA) Porsche 914/6 914 143 0178 Schneider Autohaus 37 11. GTU 11. 1:13,944
12. 60 Rusty Bond (USA)
DNS - Ren Tilton (USA)
Porsche 911 37 12. GTU 22. 1:15,988
13. 36 Tim Sharp (USA)
DNS - Ron Case (USA)
Porsche 911 Case Racing 37 13. GTU 30. no time
14. 49 Joel Anderson (USA) Datsun 240Z 37 14. GTU 14. 1:14,541
15. 52 Wayne Baker (USA) Porsche 914/4 Personalized Autohaus 37 15. GTU 13. 1:14,379
16. 11 Bobbee Nylander (USA) Porsche 911 36 16. GTU 21. 1:15,755
17. 63 Greg Gustafson (USA) Porsche 911 36 17. GTU 23. 1:18,137
18. 39 John Higgins (USA) Porsche 911 34 18. GTU 25. 1:21,969
19. 66 Tony DiBenedetto Opel Manta 33 19. GTU 26. 1:22,901
20. 73 Jerry Demele (USA) Porsche 911 27 DNF 20. GTU 20. 1:15,640
21. 1 Dave White (USA) BMW 320i 25 DNF 21. GTU 8. 1:12,908
22. 64 Dennis Aase (USA) Porsche 911 20 DNF 22. GTU 4. 1:11,989
23. 46 Neil Vanni (USA) Datsun Z 17 DNF 23. GTU 5. 1:12,052
24. 58 Adrian Gang (USA) Porsche 914/6 13 DNF 24. GTU 12. 1:14,203
25. 43 Bob Gregg (USA) Porsche 911 Bob Gregg 3 DNF 25. GTU 32. no time
Disqualified:
15 Walt Bohren (USA) Porsche 911 39 GTU 7. 1:12,872
7 Michael Buckenham Mazda RX-7 32 GTU 19. 1:15,436
Did not start:
- Bob Barnes (USA) Porsche 911 GTU 36. no time
- Barry Maashoff (USA) Porsche 911 GTU 35. no time
- Andy Scopazzi (USA) Alfa Romeo GTU 34. no time
- Nick Feodorhoff (USA) Porsche 911 GTU 33. no time
- Ed Parks (USA) Mazda RX-7 GTU 31. no time
- Marty Courtney Ford Capri GTU 29. no time
- Chuck Shannon Datsun Z GTU 24. 1:19,599
- David Vegher (USA) Alfa Romeo GTU 28. no time
- Jim Wilson (USA) Datsun 610 GTU 27. 1:27,305

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IMSA Round: 5

100 mile Laguna Seca

Monterey Triple Crown (Winston GT Race), Laguna Seca Raceway Date: 29.4.1979

Practiced:34
Started:25

Circuit length: Race distance: 162,061 km Winner's average speed: 165,854 km/h

Fastest lap:Peter GreggNo. 59Porsche 935/791:4,65170,269 km/h(lap 6)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 59 Peter Gregg (USA) Porsche 935/79 930 990 0030 53 0:58:37,670 1. GTX 2.
2. 2 David Hobbs (GB) BMW 320i Turbo 003 McLaren North America 53 0:59:01,896 2. GTX 3.
3. 00 Danny Ongais (USA) Porsche 935/77A 930 890 0019 Interscope Racing 53 3. GTX 1. 1:04,249
4. 93 Don Whittington (USA) Porsche 935 930 670 0152 Whittington Brothers Racing 52 4. GTX 23.
5. 0 Ted Field (USA) Porsche 935/79 930 990 0029 Interscope Racing 51 5. GTX 8.
6. - Howard Meister (USA) Porsche Carrera RSR 911 560 9121 49 1. GTO 9. 1:10,602
7. 09 Preston Henn (USA) Porsche 935/77A 930 890 0021 Thunderbird Swap Shop 49 6. GTX 13.
8. 32 Honorato Espinosa (CO) Porsche Carrera 49 2. GTO 11.
9. 38 Tato Ferrer (PR) Porsche Carrera RSR 911 460 9113 Boricua Racing 49 3. GTO 16.
10. 46 Mauricio DeNarvaez (CO) Porsche Carrera RSR 911 360 1099 de Narvaez Racing 48 4. GTO 15.
11. 07 Dave Cowart (USA) Porsche Carrera Morrison's 48 5. GTO 17.
12. 96 Terry Herman (USA) Porsche 911 47 6. GTO 18.
13. 54 Tony Garcia (USA) Porsche Carrera RSR Montura Racing 47 7. GTO 20.
14. 56 Don Kravig (USA) Porsche 911 911 210 0224 Rick Borlase 47 8. GTO 26.
15. 21 Carl Shafer (USA) Chevrolet Camaro 46 9. GTO 12.
16. 79 Peter Shutts (USA) Chevrolet Corvette 46 10. GTO 25.
17. 27 Rich Sloma (USA) Chevrolet Corvette 38 7. GTX 10.
18. 41 Herb Jones, Jr. (USA) Chevrolet Camaro Jones Ind. Racing 20 DNF 8. GTX 14.
19. 48 John Carusso (USA) Chevrolet Corvette Autodyne 20 DNF 11. GTO 19.
20. 92 Gary Carlen (USA) Chevrolet Corvette 20 12. GTO 24.
21. 3 Jim Busby (USA) BMW 320i Turbo Jim Busby Racing 15 DNF 9. GTX 4.
22. 43 Frank Joyce (USA) Chevrolet Corvette Phantom Racing 12 DNF 13. GTO 32.
23. 94 Bill Whittington (USA) Porsche 935/79 930 990 0026 Whittington Brothers Racing 4 DNF 10. GTX 5.
24. 19 Chris Cord (USA) Chevrolet Monza DeKon 1011 Chris Cord 3 DNF 11. GTX 6.
25. 31 Tom Alan Marx (USA) Porsche Carrera RSR RSR Associates 3 DNF 14. GTO 22.
Did not start:
- Hurley Haywood (USA) Porsche 935 930 770 0909 Brumos Porsche GTX 35.
- Gary Tucker (USA) Chevrolet Corvette 34.
- Peter Kirill (USA) Chevrolet Camaro GTO 31.
- Alf Gebhardt (USA) BMW CSL Bavarian Motors GTO 30.
- Bob Matkowich (USA) Chevrolet Corvette GTO 29.
- Jae Scott (USA) Chevrolet Corvette 28.
- Volker Bruckmann (USA) Porsche Carrera GTO 21.
6 Greg Pickett (USA) Chevrolet Corvette Turbo TF 001 Pickett Racing GTX 27.
30 Gianpiero Moretti (I) Porsche 935/79 930 990 0032 Electrodyne/Moretti Fire GTX 7.
76 Joe Chamberlain (USA) Chevrolet Corvette Arrow Racing GTX 33.

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IMSA Round: 6

Hallett [GTU]

Mother's Day Grand Prix Winston GTU, Hallett Motor Racing Circuit Date: 13.5.1979

Started:15

Circuit length: Race distance: 121,666 km Winner's average speed: 123,221 km/h

Fastest lap:Dave WhiteNo. 1BMW 320i1:23,12125,465 km/h(lap 7)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 64 Dennis Aase (USA) Porsche 911 S 42 0:59:14,573 1. GTU 3.
2. 7 Walt Bohren (USA) Mazda RX-7 Walt Bohren Racing 42 0:59:16,507 2. GTU 5.
3. 1 Dave White (USA) BMW 320i 42 3. GTU 4.
4. 82 Rodd Harrison (USA) Porsche 914/6 914 143 0178 Schneider Autohaus 42 4. GTU 6.
5. 60 Ren Tilton (USA) Porsche 911 41 5. GTU 11.
6. 62 Bill Koll (USA) Porsche 914/6 914 043 0593 Koll Motor Sports 41 6. GTU 8.
7. 34 George Drolsom (USA) Porsche 911 Drolsom Racing 40 7. GTU 14.
8. 85 Ron Coupland (USA) Porsche 914/6 39 8. GTU 7.
9. 8 Anatoly Arutunoff (USA) Lancia Stratos Automobile International 36 9. GTU 15.
10. 52 Wayne Baker (USA) Porsche 914/4 Personalized Autohaus 16 DNF 10. GTU 9.
11. 76 Ken Williams (USA) Datsun ZX Associated Speed & Performance 16 DNF 11. GTU 13.
12. 16 Darrel Overstreet (USA) Porsche 914/6 Darrel Overstreet 15 DNF 12. GTU 10.
13. 66 Ed Kelly (USA) Datsun 240Z 9 DNF 13. GTU 12.
14. 83 Don Devendorf (USA) Datsun 280ZX Electramotive 0 DNF 14. GTU 1. 1:22,369
15. 79 Bob Bergstrom (USA) Mazda RX-7 Sports Ltd. Racing 0 DNF 15. GTU 2.

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IMSA Round: 6

100 mile Hallett

Mother's Day Grand Prix Winston GT, Hallett Motor Racing Circuit Date: 13.5.1979

Started:23

Circuit length: Race distance: 159,325 km Winner's average speed: 132,914 km/h

Fastest lap:Peter GreggNo. 59Porsche 935/791:16,51136,303 km/h(lap 11)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 2 David Hobbs (GB) BMW 320i Turbo 003 McLaren North America 55 1:11:55,338 1. GTX 3.
2. 59 Peter Gregg (USA) Porsche 935/79 930 990 0030 55 1:12:48,992 2. GTX 1. 1:15,224
3. 93 Don Whittington (USA) Porsche 935 930 670 0152 Whittington Brothers Racing 55 3. GTX 2.
4. 30 Gianpiero Moretti (I) Porsche 935/79 930 990 0032 Electrodyne/Moretti 55 4. GTX 6.
5. 0 Ted Field (USA) Porsche 935/79 930 990 0029 Interscope Racing 54 5. GTX 7.
6. 5 Charles Mendez (USA) Porsche 935 930 770 0957 54 6. GTX 8.
7. 09 Preston Henn (USA) Porsche 935/77A 930 890 0021 Thunderbird Swap Shop 53 7. GTX 11.
8. - Howard Meister (USA) Porsche Carrera RSR 911 560 9121 52 1. GTO 9.
9. 07 Dave Cowart (USA) Porsche Carrera Morrison's 52 2. GTO 12.
10. 32 Honorato Espinosa (CO) Porsche Carrera 52 3. GTO 13.
11. 46 Mauricio DeNarvaez (CO) Porsche Carrera RSR 911 360 1099 de Narvaez Racing 51 4. GTO 15.
12. 54 Tony Garcia (USA) Porsche Carrera RSR Montura Racing 51 5. GTO 19.
13. 91 Roger Schramm (USA) Porsche Carrera RSR 911 460 0075? Framm Promotions 50 6. GTO 18.
14. 15 Alf Gebhardt (USA) BMW CSL Bavarian Motors 50 7. GTO 17.
15. 60 Rusty Bond (USA) Porsche 911 S 50 8. GTO 20.
16. 10 Miguel Muniz (MEX) Chevrolet Camaro 49 DNF 9. GTO 16.
17. 37 Dan Moore (USA) Ford Mustang 47 10. GTO 22.
18. 47 Jack Hodgkinson (USA) Chevrolet Corvette 47 11. GTO 21.
19. 99 Phil Currin (USA) Chevrolet Corvette Full-Time Racing 33 DNF 12. GTO 14.
20. 21 Carl Shafer (USA) Chevrolet Camaro 26 DNF 13. GTO 10. 1:21,180
21. 3 Jim Busby (USA) BMW 320i Turbo Jim Busby Racing 18 DNF 8. GTX 5.
22. 94 Bill Whittington (USA) Porsche 935/79 930 990 0026 Whittington Brothers Racing 13 DNF 9. GTX 4.
23. 14 Stephen Behr (USA) BMW CSL 3 DNF 14. GTO 23.

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IMSA Round: 7

100 mile Lime Rock

Coca-Cola 350 Winston GT, Lime Rock Park Date: 28.5.1979

Started:22(GTX - 10, GTO - 12)

Circuit length: 2,462 km Race distance: 160,049 km Winner's average speed: 124,114 km/h

Fastest lap:Peter GreggNo. 59Porsche 935/790:54,08163,910 km/h(lap 6)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 59 Peter Gregg (USA) Porsche 935/79 930 990 0030 65 1:17:22,312 1. GTX 1. 0:52,290
2. 2 David Hobbs (GB) BMW 320i Turbo 003 McLaren North America 64 1:18:05,013 2. GTX 2. 0:52,708
3. 5 Charles Mendez (USA) Porsche 935 930 770 0957 64 3. GTX 7. 0:55,081
4. 0 Ted Field (USA) Porsche 935/79 930 990 0029 Interscope Racing 63 4. GTX 9. 0:55,974
5. - Howard Meister (USA) Porsche Carrera RSR 911 560 9121 62 1. GTO 13. 0:57,420
6. 30 Gianpiero Moretti (I) Porsche 935/79 930 990 0032 Electrodyne/Moretti 62 5. GTX 6. 0:53,878
7. 07 Dave Cowart (USA) Porsche Carrera Morrison's 61 2. GTO 12. 0:57,235
8. 46 Mauricio DeNarvaez (CO) Porsche Carrera RSR 911 360 1099 de Narvaez Racing 60 3. GTO 17. 0:58,797
9. 80 Maurice Carter (CDN) Chevrolet Camaro Maurice Carter 59 6. GTX 8. 0:55,571
10. 25 Kenper Miller (USA) BMW CSL 59 4. GTO 15. 0:57,778
11. 09 Preston Henn (USA) Porsche 935/77A 930 890 0021 Thunderbird Swap Shop 59 7. GTX 11. 0:57,034
12. 93 Don Whittington (USA) Porsche 935 930 670 0152 Whittington Brothers Racing 59 DNF 8. GTX 3. 0:52,885
13. 54 Tony Garcia (USA) Porsche Carrera RSR Montura Racing 58 5. GTO 21. 1:00,291
14. 40 Bill Wink (USA) Chevrolet Corvette 58 6. GTO 18. 0:59,070
15. 56 Craig Carter (USA) Chevrolet Camaro Peerless Racing 57 7. GTO 14. 0:57,479
16. 99 Phil Currin (USA) Chevrolet Corvette Full-Time Racing 57 8. GTO 10. 0:56,876
17. 60 Rusty Bond (USA) Porsche 911 55 9. GTO 22. 1:01,632
18. 48 John Carusso (USA) Chevrolet Corvette Autodyne 52 10. GTO 20. 1:00,232
19. 3 Jim Busby (USA) BMW 320i Turbo Jim Busby Racing 44 DNF 9. GTX 4. 0:53,458
20. 98 Lance Van Every (USA) Porsche Carrera RSR Van Every Racing 41 DNF 11. GTO 19. 0:59,762
21. 32 Honorato Espinosa (CO) Porsche Carrera 34 DNF 12. GTO 16. 0:58,450
22. 94 Bill Whittington (USA) Porsche 935/79 930 990 0026 Whittington Brothers Racing 22 DNF 10. GTX 5. 0:53,627

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IMSA Round: 7

Lime Rock [GTU]

Coca-Cola 350 WINSTON GTU, Lime Rock Park Date: 28.5.1979

Started:17

Circuit length: 2,462 km Race distance: 120,653 km Winner's average speed: 150,514 km/h

Fastest lap:Don DevendorfNo. 83Datsun 280ZX0:57,19154,998 km/h(lap 35)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 38 Sam Posey (USA) Datsun 280Z 49 0:48:05,780 1. GTU 18. no time
2. 83 Don Devendorf (USA) Datsun 280ZX Electramotive 49 0:48:10,770 2. GTU 3. 0:58,479
3. 33 Jim Fitzgerald (USA) Datsun ZX 49 3. GTU 5. 0:59,134
4. 64 Dennis Aase (USA) Porsche 911 48 4. GTU 2. 0:58,380
5. 1 Dave White (USA) BMW 320i 48 5. GTU 6. 0:59,560
6. 62 Bill Koll (USA) Porsche 914/6 914 043 0593 Koll Motor Sports 48 6. GTU 7. 1:00,512
7. 84 Bob Speakman (USA) Datsun 240Z 48 7. GTU 11. 1:02,369
8. 60 Ren Tilton (USA) Porsche 911 47 8. GTU 10. 1:01,821
9. 53 Tony Rolfe (USA) BMW 2002 45 9. GTU 12. 1:02,222
10. 3 Clayton Dopke (USA) Ford Capri 43 10. GTU 14. 1:04,437
11. 52 Wayne Baker (USA) Porsche 914/4 Personalized Autohaus 43 11. GTU 8. 1:01,221
12. 4 Ted Schumacher (USA) Triumph GT6 43 12. GTU 15. 1:07,855
13. 16 Nicholas Godano Alfa Romeo GTV 40 13. GTU 16. 1:10,828
14. 7 Walt Bohren (USA) Mazda RX-7 Walt Bohren Racing 25 DNF 14. GTU 4. 0:59,160
15. 79 Bob Bergstrom (USA) Mazda RX-7 Sports Ltd. Racing 14 DNF 15. GTU 1. 0:58,228
16. 11 Helmut Silberberger (USA) Alfa Romeo GTV 5 DNF 16. GTU 13. 1:02,899
17. 71 Pierre Honegger (USA) Porsche 911 2 DNF 17. GTU 17. 1:27,801
Did not start:
- Richard Kendrick (USA) Datsun 240Z GTU 9. 1:01,344

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IMSA Round: 8

100 mile Brainerd

Pepsi Grand Prix (Winston GT), Brainerd International Raceway Date: 17.6.1979

Started:38

Circuit length: Race distance: 159,325 km Winner's average speed: 172,573 km/h

Fastest lap:Gianpiero MorettiNo. 30Porsche 935/791:33,13186,631 km/h(lap 6)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 59 Peter Gregg (USA) Porsche 935/79 930 990 0030 33 0:55:23,632 1. GTX 1. 1:53,542
2. 2 David Hobbs (GB) BMW 320i Turbo 003 McLaren North America 33 0:56:24,764 2. GTX 3.
3. 0 Ted Field (USA) Porsche 935/79 930 990 0029 Interscope Racing 33 3. GTX 5.
4. 5 Charles Mendez (USA) Porsche 935 930 770 0957 33 4. GTX 8.
5. 00 Danny Ongais (USA) Porsche 935/77A 930 890 0019 Interscope Racing 32 5. GTX 4.
6. 80 Maurice Carter (CDN) Chevrolet Camaro Maurice Carter 32 6. GTX 12.
7. 94 Bill Whittington (USA) Porsche 935/79 930 990 0026 Whittington Brothers Racing 32 7. GTX 6.
8. 09 Preston Henn (USA) Porsche 935/77A 930 890 0021 Thunderbird Swap Shop 32 8. GTX 43.
9. - Howard Meister (USA) Porsche Carrera RSR 911 560 9121 32 1. GTO 11.
10. 90 Tony DeLorenzo (USA) Chevrolet Corvette 31 2. GTO 13.
11. 17 Dan Furey (USA) Chevrolet Vega Dan Furey 31 9. GTX 32.
12. 4 Gerry Wellik (USA) Chevrolet Monza DeKon 1007 31 10. GTX 36.
13. 99 Phil Currin (USA) Chevrolet Corvette Full-Time Racing 31 3. GTO 34. 2:00,204
14. 46 Mauricio DeNarvaez (CO) Porsche Carrera RSR 911 360 1099 de Narvaez Racing 31 4. GTO 26.
15. 54 Tony Garcia (USA) Porsche Carrera RSR Montura Racing 31 5. GTO 22.
16. 03 Werner Frank (USA) Porsche 934 930 670 0162 30 6. GTO 14.
17. 88 Tuck Thomas (USA) Chevrolet Monza 30 11. GTX 17.
18. 40 Keith Feldott (USA) Chevrolet Monza DeKon 1016 30 7. GTO 19.
19. 7 Walt Bohren (USA) Mazda RX-7 Walt Bohren Racing 30 1. GTU 15.
20. 91 Roger Schramm (USA) Porsche Carrera RSR 911 460 0075? Framm Promotions 29 8. GTO 18.
21. 67 Glenn Bunch (USA) Dodge Challenger Glenn Bunch 29 12. GTX 27.
22. 62 Bill Koll (USA) Porsche 914/6 914 043 0593 Koll Motor Sports 29 2. GTU 16.
23. 14 Rusty Schmidt (USA) Chevrolet Corvette 29 9. GTO 29.
24. 34 George Drolsom (USA) Porsche 911 Drolsom Racing 28 3. GTU 25.
25. 10 Gary Fautch (USA) Chevrolet Camaro 27 10. GTO 21.
26. 21 Carl Shafer (USA) Chevrolet Camaro 27 11. GTO 38.
27. 49 Jim Moyer (USA) Chevrolet Corvette 26 13. GTX 28.
28. 75 Dale Kreider (USA) Chevrolet Corvette Dale Kreider 26 12. GTO 41.
29. 93 Don Whittington (USA) Porsche 935 930 670 0152 Whittington Brothers Racing 25 14. GTX 2.
30. 83 Don Devendorf (USA) Datsun 280ZX Electramotive 25 DNF 4. GTU 10. 1:59,945
31. 77 Ludwig Heimrath (CDN) Porsche 935 930 770 0958 Ludwig Heimrath 20 15. GTX 9.
32. 3 Jim Busby (USA) BMW 320i Turbo Jim Busby Racing 19 16. GTX 31.
33. 31 Bard Boand (USA) Chevrolet Corvette 19 DNF 13. GTO 24.
34. 74 Charles West (USA) Chevrolet Corvette 14 DNF 14. GTO 23.
35. 19 Chris Cord (USA) Chevrolet Monza DeKon 1011 Chris Cord 12 DNF 17. GTX 35.
36. 30 Gianpiero Moretti (I) Porsche 935/79 930 990 0032 Electrodyne/Moretti 7 DNF 18. GTX 7.
37. 64 Dennis Aase (USA) Porsche 911 5 DNF 5. GTU 30.
38. 79 Bob Bergstrom (USA) Mazda RX-7 Sports Ltd. Racing 0 DNF 6. GTU 20.

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IMSA Round: 9

250 mile Daytona Paul Revere

21st Annual Firecracker 400 (Paul Revere 250), Daytona International Speedway Date: 4.7.1979

Started:49

Circuit length: Race distance: 401,692 km Winner's average speed: 185,223 km/h

Fastest lap:Peter GreggNo. 59Porsche 935/791:49,054204,005 km/h(lap 13)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 5 Charles Mendez (USA)
Hurley Haywood (USA)
Porsche 935 930 770 0911 65 2:10:07,310 1. GTX 4.
2. 0 Ted Field (USA)
Danny Ongais (USA)
Porsche 935/79 930 990 0029 Interscope Racing 64 2:11:09,881 2. GTX 8.
3. 59 Peter Gregg (USA) Porsche 935/79 930 990 0030 63 3. GTX 1. 1:47,334
4. 99 Phil Currin (USA) Chevrolet Corvette Full-Time Racing 61 1. GTO 9. 1:58,514
5. 37 Jorge Cortes (CO) Porsche Carrera 60 2. GTO 22.
6. - Howard Meister (USA) Porsche Carrera RSR 911 560 9121 60 3. GTO 34.
7. 83 Don Devendorf (USA) Datsun 280ZX Electramotive 59 1. GTU 23. 2:04,580
8. 48 John Carusso (USA)
Lyn St. James (USA)
Chevrolet Corvette Autodyne 59 4. GTO 10.
9. 67 Glenn Bunch (USA) Dodge Challenger Glenn Bunch 59 4. GTX 18.
10. 79 Bob Bergstrom (USA) Mazda RX-7 Sports Ltd. Racing 59 2. GTU 28.
11. 7 Walt Bohren (USA) Mazda RX-7 Walt Bohren Racing 58 3. GTU 30.
12. 60 Rusty Bond (USA)
Ren Tilton (USA)
Porsche 911 58 4. GTU 32.
13. 32 Honorato Espinosa (CO) Porsche Carrera 58 5. GTO 16.
14. 93 Don Whittington (USA)
Bill Whittington (USA)
Porsche 935 930 670 0152 Whittington Brothers Racing 57 DNF 5. GTX 2.
15. 03 Werner Frank (USA) Porsche 934 930 670 0162 57 6. GTO 15.
16. 62 Bill Koll (USA)
Jim Cook (USA)
Porsche 914/6 914 043 0593 Koll Motor Sports 56 5. GTU 31.
17. 27 Ray Mummery (USA) Porsche 911 56 6. GTU 40.
18. 07 Dave Cowart (USA) Porsche Carrera Morrison's 55 7. GTO 19.
19. 84 Bob Speakman (USA) Datsun Z 55 7. GTU 33.
20. 57 John Tremblay (USA) Datsun 240Z 54 8. GTU 44.
21. 36 Ron Case (USA)
Jack Rynerson (USA)
Porsche 911 Case Racing 54 9. GTU 42.
22. 75 Dale Kreider (USA) Chevrolet Corvette Dale Kreider 53 DNF 8. GTO 25.
23. 89 Ernesto Soto (YV)
Francisco Romero (YV)
Porsche Carrera Hector Huerta 53 9. GTO 20.
24. 12 Ford Smith (USA) Chevrolet Corvette 53 10. GTO 21.
25. 33 Richard Aten (USA)
Peter Welter (USA)
Porsche 911 53 10. GTU 51.
26. 15 Luis Sereix (USA)
Javier Garcia (USA)
Chevrolet Corvette Greenwood 006 52 6. GTX 14.
27. 29 Hoyt Overbagh (USA)
Billy Hagan (USA)
Chevrolet Monza 001 Stratagraph 50 11. GTO 24.
28. 95 Don Cummings (USA)
Guido Levetto (USA)
Shelby GT350 49 12. GTO 50.
29. 02 J. Kurt Roehrig (USA)
Dave White (USA)
Porsche 911 46 DNF 11. GTU 38.
30. 8 Bob Beasley (USA) Porsche Carrera RSR 911 460 0035 43 DNF 13. GTO 29.
31. 52 Fred Snow (USA)
Jack Swanson (USA)
Tom Cripe (USA)
Porsche 911 43 DNF 12. GTU 45.
32. 2 David Hobbs (GB) BMW 320i Turbo 002 McLaren North America 40 Turbo 7. GTX 7.
33. 14 Dick Neland (USA) Chevrolet Camaro 35 DNF 14. GTO 37.
34. 08 Terry Wolters (USA)
Nort Northam (USA)
Porsche 911 911 030 1263 Moran Construction 34 DNF 13. GTU 48.
35. 56 Craig Carter (USA) Chevrolet Camaro Peerless Racing 30 DNF 15. GTO 12.
36. 30 Gianpiero Moretti (I) Porsche 935/79 930 990 0032 Electrodyne/Moretti 30 DNF 8. GTX 5.
37. 06 Al Levenson (USA)
Tom Brown (USA)
Chevrolet Corvette Al Levenson 27 DNF 16. GTO 39.
38. 54 Tony Garcia (USA) Porsche Carrera RSR Montura Racing 23 DNF 17. GTO 17.
39. 88 Joseph Hamilton (USA)
Robert Overby (USA)
Porsche 911 Hamilton House Racing 18 14. GTU 35.
40. 34 George Drolsom (USA) Porsche 911 Drolsom Racing 15 DNF 15. GTU 43.
41. 40 Emory Donaldson (USA)
Joe Cotrone (USA)
Chevrolet Corvette 14 DNF 18. GTO 11.
42. 46 Mauricio DeNarvaez (CO) Porsche Carrera RSR 911 360 1099 de Narvaez Racing 14 DNF 19. GTO 13.
43. 96 Rick Kump (USA)
Bob Lee (USA)
AMC AMX Bob's Speed Products 8 DNF 20. GTO 36.
44. 6 Al Cosentino (USA) Mazda RX-7 8 DNF 16. GTU 49.
45. 24 Lloyd Frink (USA)
Joe Gonzalez (USA)
Chevrolet Camaro 6 DNF 9. GTX 26.
46. 51 Dave Heinz (USA) Chevrolet Corvette 2 DNF 21. GTO 27.
47. 53 Guy Thomas (USA) Chevrolet Camaro 0 DNF 10. GTX 52.
48. 69 William Wessel (USA) Chevrolet Corvette 0 DNF 22. GTO 46.
49. 86 Tom Ross (USA) Ford Pinto 0 DNF 11. GTX 47.

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IMSA Round: 10

250 mile Mid-Ohio

Winston GT, Mid-Ohio GT 250, Mid-Ohio Sports Car Course Date: 15.7.1979

Started:43(GTX - 11, GTO - 21, GTU - 11)

Circuit length: Race distance: 401,692 km Winner's average speed: 145,766 km/h

Fastest lap:Bill WhittingtonNo. 94Porsche 935/791:31,23152,415 km/h(lap 25)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 59 Peter Gregg (USA)
Hurley Haywood (USA)
Porsche 935/79 930 990 0030 Peter Gregg Racing 104 2:45:20,580 1. GTX 1. 1:29,690
2. 94 Don Whittington (USA)
Bill Whittington (USA)
Porsche 935/79 930 990 0026 Whittington Brothers Racing 104 2:45:30,039 2. GTX 3.
3. 3 Jim Busby (USA)
Dennis Aase (USA)
BMW M1 WBS59910004301065 101 3. GTX 7.
4. 00 Ted Field (USA)
Milt Minter (USA)
Porsche 935/77A 930 890 0019 Interscope Racing 101 4. GTX 5.
5. 5 Charles Mendez (USA)
Paul Miller (USA)
Porsche 935 930 770 0911 Busch Beer Racing 98 5. GTX 6.
6. - Howard Meister (USA)
Alan Johnson (USA)
Porsche Carrera RSR 911 560 9121 98 1. GTO 9.
7. 68 Luis Mendez (DR) Porsche Carrera RSR 005 0009 97 2. GTO 13.
8. 83 Don Devendorf (USA) Datsun 280ZX Electramotive 97 1. GTU 11. 1:38,650
9. 2 David Hobbs (GB)
Derek Bell (GB)
BMW 320i Turbo 003 McLaren North America 96 6. GTX 2.
10. 7 Walt Bohren (USA) Mazda RX-7 Walt Bohren Racing 96 2. GTU 22.
11. 54 Tony Garcia (USA)
Mauricio DeNarvaez (CO)
Porsche Carrera RSR Montura Racing 95 3. GTO 20.
12. 69 Werner Frank (USA)
Rudy Bartling (CDN)
Porsche Carrera RSR Bytzek Automotive 94 4. GTO 19.
13. 89 Chip Mead (USA)
John Mortensen (USA)
Porsche 911 93 3. GTU 29.
14. 37 Francisco Lopez (CO)
Dave White (USA)
Porsche Carrera 92 5. GTO 38.
15. 56 Craig Carter (USA) Chevrolet Camaro Peerless Racing 91 6. GTO 17.
16. 95 Reagan Riley (CDN)
David Deacon (CDN)
Porsche 914/6 914 043 0188 90 4. GTU 36.
17. 40 Steve Southard (USA)
Earl Roe (USA)
Porsche 914/6 Performance Specialists 90 5. GTU 27.
18. 77 Vern Smith (USA) Chevrolet Malibu Vern Smith 89 7. GTO 39.
19. 8 Bob Beasley (USA) Porsche Carrera RSR 911 460 0035 89 8. GTO 28.
20. 86 David Crabtree (USA) Ford Granada David Crabtree 88 9. GTO 46.
21. 34 George Drolsom (USA)
Fred Clark (USA)
Porsche 911 Drolsom Racing 87 6. GTU 40.
22. 22 J. Byron Walker (USA)
Terry Satchell (USA)
Datsun 510 86 7. GTU 37.
23. 12 Ford Smith (USA) Chevrolet Corvette 83 DNF 10. GTO 30.
24. 85 John Hulen (USA)
Ron Coupland (USA)
Porsche 914/6 John E. Hulen 75 8. GTU 33.
25. 72 Philip Keirn (USA) Chevrolet Corvette Philip Keirn 70 11. GTO 34.
26. 02 Keith Feldott (USA)
Buzz Fyhrie (USA)
Chevrolet Monza DeKon 1016 68 DNF 12. GTO 26.
27. 67 Glenn Bunch (USA) Dodge Challenger Glenn Bunch 67 DNF 7. GTX 45.
28. 39 Skip DeAscentis (USA)
Larry Trotter (USA)
Chevrolet Corvette 64 DNF 13. GTO 25.
29. 62 Bill Koll (USA)
Jim Cook (USA)
Porsche 914/6 914 043 0593 Koll Motor Sports 58 DNF 9. GTU 24.
30. 19 Chris Cord (USA)
Jim Adams (USA)
Chevrolet Monza DeKon 1011 Chris Cord 39 DNF 8. GTX 4.
31. 79 Bob Bergstrom (USA)
Roger Mandeville (USA)
Mazda RX-7 Sports Ltd. Racing 35 DNF 10. GTU 14.
32. 11 Richard Kendrick (USA)
Amos Johnson (USA)
Datsun 240Z 34 DNF 11. GTU 42.
33. 48 John Carusso (USA)
Phil Currin (USA)
Chevrolet Corvette Autodyne 34 DNF 14. GTO 8. 1:37,960
34. 41 Clayton Dopke (USA)
J. Kurt Roehrig (USA)
Ford Capri RS 33 DNF 15. GTO 43.
35. 49 Jim Moyer (USA) Chevrolet Corvette 32 DNF 9. GTX 23.
36. 32 Honorato Espinosa (CO) Porsche Carrera 31 DNF 16. GTO 21.
37. 09 Preston Henn (USA)
John O'Steen (USA)
Porsche 935/77A 930 890 0021 Michelob Light 28 DNF 10. GTX 18.
38. 14 Rusty Schmidt (USA)
Doug Grunnet (USA)
Chevrolet Corvette 25 DNF 17. GTO 35.
39. 07 Dave Cowart (USA)
Kenper Miller (USA)
Porsche Carrera Morrison's 20 DNF 18. GTO 15.
40. 17 Dan Furey (USA) Chevrolet Vega Dan Furey 16 DNF 11. GTX 12.
41. 90 Tony DeLorenzo (USA) Chevrolet Corvette 15 DNF 19. GTO 10.
42. 50 Fritz Hochreuter (CDN) Porsche 911 R & H Racing 9 DNF 20. GTO 31.
43. 46 Mauricio DeNarvaez (CO) Porsche Carrera RSR 911 360 1099 De Narvaez Racing 2 DNF 21. GTO 16.
In entry list:
0 Ted Field (USA) Porsche 935/79 930 990 0029 Interscope Racing GTX
01 Dave White (USA)
J. Kurt Roehrig (USA)
BMW 320i GTU
04 Bill Nelson (USA) Pontiac Firebird GTO
9 Jimmy Spencer (USA)
Fred Werl (USA)
Ford Mustang GTO
13 Randolph Townsend (USA) Porsche 935 GTX
18 John Paul (USA) Porsche 935 GTX
28 Clif Kearns (USA) Porsche 935 DMV 470 12CA=>930 770 0960░ Desperado Racing GTX
31 Clayton Dopke (USA) Ford Capri RS GTU
47 Bill Shaw (USA)
Raul Cordoba (USA)
Honda Civic Turbo GTX
60 Rusty Bond (USA)
Ren Tilton (USA)
Porsche 911 GTU
64 Dennis Aase (USA) GTU
71 Pierre Honegger (USA)
Fred Apgar (USA)
Porsche 911 GTU
81 Mickey Agee (USA)
David Shook (USA)
Chevrolet Corvette GTO
93 Don Whittington (USA) Porsche 935 GTX
98 Lance Van Every (USA) Porsche Carrera GTO
99 Phil Currin (USA) Chevrolet Corvette Full-Time Racing GTO

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IMSA Round: 11

100 mile Sears Point

Sprite Grand Prix Winston GT, Sears Point International Raceway Date: 29.7.1979

Started:34

Circuit length: Race distance: 162,415 km Winner's average speed: 142,078 km/h

Fastest lap:Peter GreggNo. 59Porsche 935/791:39,73146,569 km/h(lap 9)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 59 Peter Gregg (USA) Porsche 935/79 930 990 0030 40 1:08:35,310 1. GTX 1. 1:36,451
2. 0 Ted Field (USA) Porsche 935/79 930 990 0029 Interscope Racing 40 1:09:42,270 2. GTX 12.
3. 7 Hurley Haywood (USA) Porsche 935 001 Vasek Polak Racing 40 3. GTX 3.
4. 17 Milt Minter (USA) Porsche 935 930 770 0955 39 4. GTX 41.
5. 4 Bruce Canepa (USA) Porsche 935 009 00029 Bruce Canepa 39 5. GTX 10.
6. - Howard Meister (USA) Porsche Carrera RSR 911 560 9121 39 1. GTO 18. 1:43,313
7. 5 Charles Mendez (USA) Porsche 935 930 770 0911 38 Accident 6. GTX 11.
8. 68 Luis Mendez (DR) Porsche Carrera RSR 005 0009 38 2. GTO 20.
9. 46 Mauricio DeNarvaez (CO) Porsche Carrera RSR 911 360 1099 de Narvaez Racing 38 3. GTO 23.
10. 07 Dave Cowart (USA) Porsche Carrera Morrison's 38 4. GTO 40.
11. 85 Bruce Leven (USA) Porsche 935 930 770 0909 Bayside Disposal Racing 38 7. GTX 26.
12. 99 Phil Currin (USA) Chevrolet Corvette Full-Time Racing 37 5. GTO 19.
13. 95 Rob McFarlin (USA) Porsche 935 930 770 0957 37 8. GTX 22.
14. 94 Bill Whittington (USA) Porsche 935 930 990 0026 Whittington Brothers Racing 36 DNF 9. GTX 5.
15. 71 Bob Akin (USA) Porsche 935 930 890 0024? Dick Barbour Racing 36 DNF 10. GTX 16.
16. 27 Rich Sloma (USA) Chevrolet Corvette 36 11. GTX 21.
17. 54 Tony Garcia (USA) Porsche Carrera RSR Montura Racing 36 6. GTO 24.
18. 29 Mike McCarthy Chevrolet Corvette 36 7. GTO 32.
19. 41 Bill Craine (USA) Chevrolet Corvette B.C. Auto Body 34 8. GTO 37.
20. 31 Dennis Lanfre (USA) Porsche Carrera RSR RSR Associates 33 9. GTO 31.
21. 96 Terry Herman (USA) Porsche 911 33 10. GTO 25.
22. 30 Gianpiero Moretti (I) Porsche 935/79 930 990 0032 Electrodyne/Moretti 32 12. GTX 14.
23. 93 Don Whittington (USA) Porsche 935 930 670 0152 Whittington Brothers Racing 28 DNF 13. GTX 9.
24. 2 David Hobbs (GB) BMW 320i Turbo 003 McLaren North America 26 DNF 14. GTX 4.
25. 61 Randy Bryan Chevrolet Corvette 25 DNF 11. GTO 33.
26. 14 Pete Brallier (USA) Chevrolet Corvette Round Table Racing 19 12. GTO 34.
27. 13 Randolph Townsend (USA) Porsche 935 930 770 0905 Andial 13 DNF 15. GTX 15.
28. 66 Bob Harmon (USA) Porsche 935 930 770 0959 Stanton/Barbour 9 DNF 16. GTX 30.
29. 56 Don Kravig (USA) Porsche 911 911 210 0224 Rick Borlase 7 DNF 13. GTO 29.
30. 76 Joe Chamberlain (USA) Chevrolet Corvette Arrow Racing 6 DNF 17. GTX 17.
31. 01 Harald von Keszycki Porsche 914/6 Turbo 914 043 0653 6 DNF 18. GTX 27.
32. 3 Jim Busby (USA) BMW 320i Turbo Jim Busby Racing 5 DNF 19. GTX 2.
33. 12 Bob Matkowich (USA) Chevrolet Corvette 3 DNF 14. GTO 28.
34. 00 Danny Ongais (USA) Porsche 935/77A 930 890 0019 Interscope Racing 3 DNF 20. GTX 6.
Did not start:
6 Chris Cord (USA) Chevrolet Corvette GTX
19 Greg Pickett (USA) Chevrolet Monza GTX

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IMSA Round: 11

Sears Point [GTU]

Sprite Grand Prix Winston GTU, Sears Point International Raceway Date: 29.7.1979

Started:21

Circuit length: Race distance: 121,811 km Winner's average speed: 136,493 km/h

Fastest lap:Bob BergstromNo. 79Mazda RX-71:45,42138,658 km/h(lap 9)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 83 Don Devendorf (USA) Datsun 280ZX Electramotive 30 0:53:32,775 1. GTU 3.
2. 79 Bob Bergstrom (USA) Mazda RX-7 Sports Ltd. Racing 30 0:53:42,776 2. GTU 4.
3. 77 Yoshimi Katayama (J) Mazda RX-7 Roger Mandeville 30 3. GTU 1. 1:45,265
4. 33 Sam Posey (USA) Datsun ZX 30 4. GTU 2.
5. 17 Jeff Kline (USA) Mazda RX-7 Racing Beat 30 5. GTU 8.
6. 48 Frank Leary (USA) Datsun 240Z 30 6. GTU 6.
7. 49 Joel Anderson (USA) Datsun 240Z 29 7. GTU 11.
8. 97 Stu Fisher (USA) Mazda RX-7 29 8. GTU 12.
9. 16 Darrel Overstreet (USA) Porsche 914/6 Darrel Overstreet 28 9. GTU 13.
10. 43 Craig Richie (USA) Porsche 911 28 10. GTU 15.
11. 73 Jerry Demele (USA) Porsche 911 28 11. GTU 17.
12. 3 Dave Bottom Porsche 914/6 28 12. GTU 18.
13. 59 Dennis Tholen (USA) Porsche 911 28 13. GTU 19.
14. 44 Bob Gregg (USA) Porsche 911 Bob Gregg 28 14. GTU 21.
15. 53 Patrick Booth (USA) Alfa Romeo GTV 27 15. GTU 25.
16. 70 Dave Jolly Alfa Romeo GTV 26 16. GTU 20.
17. 36 John Samson (USA) Alfa Romeo GTV 26 17. GTU 24.
18. 45 Ray Ratcliff (USA) Porsche 911 25 18. GTU 23.
19. 46 Neil Vanni (USA) Datsun 240Z 19 DNF 19. GTU 5.
20. 1 Dave White (USA) BMW 320i 18 DNF 20. GTU 10.
21. 74 Casey Mollett (USA) Datsun 240Z 18 DNF 21. GTU 14.

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IMSA Round: 12

Portland [GTU]

G.I. Joe's Grand Prix Winston GTU, Portland International Raceway Date: 5.8.1979

Started:17

Circuit length: Race distance: 117,112 km Winner's average speed: 146,674 km/h

Fastest lap:Yoshimi KatayamaNo. 77Mazda RX-71:14,17149,587 km/h(lap 6)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 83 Don Devendorf (USA) Datsun 280ZX Electramotive 38 0:47:54,430 1. GTU 2.
2. 77 Yoshimi Katayama (J) Mazda RX-7 Roger Mandeville 38 0:47:59,830 2. GTU 1. 1:14,038
3. 17 Jeff Kline (USA) Mazda RX-7 Racing Beat 38 3. GTU 7.
4. 38 Ed Parks (USA) Mazda RX-7 38 4. GTU 8.
5. 79 Bob Bergstrom (USA) Mazda RX-7 Sports Ltd. Racing 38 5. GTU 5.
6. 33 Sam Posey (USA) Datsun ZX 38 6. GTU 3.
7. 64 Dennis Aase (USA) Porsche 911 Aase Bros. 38 7. GTU 4.
8. 39 Loren St. Lawrence (USA) Datsun 240Z 38 8. GTU 9.
9. 62 Bill Koll (USA) Porsche 914/6 914 043 0593 Koll Motor Sports 38 9. GTU 10.
10. 48 Frank Leary (USA) Datsun 240Z 37 10. GTU 6.
11. 56 Bruce Sanders (USA) Porsche 914/6 914 143 0332 37 11. GTU 11.
12. 58 Adrian Gang (USA) Porsche 914/6 37 12. GTU 14.
13. 49 Joel Anderson (USA) Datsun 240Z 37 13. GTU 12.
14. 74 Casey Mollett (USA) Datsun 240Z 18 DNF 14. GTU 13.
15. 43 Bob Gregg (USA) Porsche 911 Bob Gregg 16 DNF 15. GTU 15.
16. 24 Wayne Nunnally (USA) Porsche 924 13 DNF 16. GTU 17.
17. 70 Chris Vaughan Alfa Romeo GTV 1 DNF 17. GTU 16.

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IMSA Round: 12

100 mile Portland

G.I. Joe's Grand Prix Winston GT, Portland International Raceway Date: 5.8.1979

Started:30

Circuit length: Race distance: 157,169 km Winner's average speed: 160,172 km/h

Fastest lap:Peter GreggNo. 59Porsche 935/791:7,37164,684 km/h(lap 5)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 59 Peter Gregg (USA) Porsche 935/79 930 990 0030 51 0:58:52,700 1. GTX 1. 1:06,743
2. 7 Hurley Haywood (USA) Porsche 935 001 Vasek Polak Racing 51 1:00:01,730 2. GTX 3.
3. 11 Bruce Canepa (USA) Porsche 935 009 00029 Bruce Canepa 51 3. GTX 4.
4. 17 Milt Minter (USA) Porsche 935 930 770 0955 Vasek Polak Racing 50 4. GTX 6.
5. 5 Charles Mendez (USA) Porsche 935 930 770 0957 50 5. GTX 8.
6. 0 Ted Field (USA) Porsche 935/79 930 990 0029 Interscope Racing 50 6. GTX 10.
7. 3 Jim Busby (USA) BMW 320i Turbo Jim Busby Racing 50 7. GTX 5.
8. 71 Rob McFarlin (USA) Porsche 935 930 890 0024 Dick Barbour Racing 49 8. GTX 11.
9. 13 Randolph Townsend (USA) Porsche 935 930 770 0905 Andial 49 9. GTX 9.
10. 66 Kees Nierop (CDN) Porsche 935 930 770 0959 Stanton/Barbour 48 10. GTX 13.
11. 21 Neil Shelton (USA) Porsche Carrera 48 1. GTO 17.
12. 99 Phil Currin (USA) Chevrolet Corvette Full-Time Racing 48 2. GTO 18.
13. - Howard Meister (USA) Porsche Carrera RSR 911 560 9121 48 3. GTO 16. 1:12,266
14. 54 Tony Garcia (USA) Porsche Carrera RSR Montura Racing 47 4. GTO 22.
15. 77 Jeff Weymouth (USA) Chevrolet Corvette 44 5. GTO 28.
16. 19 Rick Stark (USA) Chevrolet Corvette 43 6. GTO 29.
17. 31 Michael Hammond (USA) Porsche Carrera 43 7. GTO 23.
18. 56 Rick Borlase (USA) Porsche 911 911 210 0224 Rick Borlase 38 8. GTO 26.
19. 79 Rick Lockhart Chevrolet Corvette 36 DNF 9. GTO 25.
20. 07 Dave Cowart (USA) Porsche Carrera Morrison's 32 10. GTO 21.
21. 41 Bill Craine (USA) Chevrolet Corvette B.C. Auto Body 28 DNF 11. GTO 27.
22. 10 Roy Woods (USA) Chevrolet Monza Turbo DeKon 1006 Roy Woods 26 DNF 11. GTX 12.
23. 68 Luis Mendez (DR) Porsche Carrera RSR 005 0009 25 DNF 12. GTO 19.
24. 30 Gianpiero Moretti (I) Porsche 935/79 930 990 0032 Electrodyne/Moretti 23 DNF 12. GTX 7.
25. 46 Mauricio DeNarvaez (CO) Porsche Carrera RSR 911 360 1099 de Narvaez Racing 18 DNF 13. GTO 20.
26. 76 Joe Chamberlain (USA) Chevrolet Corvette Arrow Racing 11 DNF 13. GTX 36.
27. 44 Tom Eastham (USA) Chevrolet Camaro 9 DNF 14. GTO 30.
28. 27 Rich Sloma (USA) Chevrolet Corvette 7 DNF 14. GTX 15.
29. 85 Bruce Leven (USA) Porsche 935 930 770 0909 Bayside Disposal Racing 5 DNF 15. GTX 14.
30. 2 David Hobbs (GB) BMW 320i Turbo 003 McLaren North America 4 DNF 16. GTX 2.
Did not start:
32 Chester Vincentz (USA) Porsche 934 930 670 0167 Electrodyne Racing GTO
Running in practice:
3T Jim Busby (USA) BMW M1 WBS59910004301065 Jim Busby Racing GTX

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IMSA Round: 13

500 mile Road America

Pabst 500, Road America Silver Anniversary (WINSTON GT), Road America, Elkhart Lake Date: 2.9.1979

Practiced:44(GTX - 10, GTU - 17, GTO - 17)
Started:42(GTX - 10, GTU - 17, GTO - 15)

Circuit length: 6,437 km Race distance: 804,672 km Winner's average speed: 161,581 km/h

Fastest lap:Peter GreggNo. 86Porsche 935/77A2:14,962171,712 km/h(lap 9)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 2 David Hobbs (GB)
Derek Bell (GB)
BMW 320i Turbo 003 McLaren North America 125 4:58:47,980 1. GTX 4. 2:16,556
2. 5 Charles Mendez (USA)
Paul Miller (USA)
Porsche 935 930 770 0957 CMR, Inc. 125 4:59:41,130 2. GTX 6. 2:20,170
3. 0 Ted Field (USA)
Milt Minter (USA)
Porsche 935/79 930 990 0029 Interscope Racing 125 3. GTX 7. 2:21,544
4. 3 Jim Busby (USA)
Dennis Aase (USA)
BMW M1 WBS59910004301065 Jim Busby Racing 122 4. GTX 8. 2:21,947
5. 9 Rob McFarlin (USA)
Bob Akin (USA)
Porsche 935 930 770 0910 Dick Barbour Racing 120 5. GTX 11. 2:29,647
6. 44 Bob Tullius (USA)
Brian Fuerstenau (USA)
Triumph TR8 Group 44 116 1. GTO 14. 2:30,505
7. 54 Tony Garcia (USA)
Terry Herman (USA)
Porsche Carrera RSR Montura Racing 116 2. GTO 16. 2:32,610
8. 46 Mauricio DeNarvaez (CO)
Albert Naon (USA)
Porsche Carrera RSR 911 360 1099 Mauricio DeNarvaez 115 3. GTO 17. 2:32,817
9. 79 Bob Bergstrom (USA)
Rick Knoop (USA)
Mazda RX-7 Sports Ltd. Racing 114 1. GTU 15. 2:32,045
10. 89 Francisco Romero (YV)
Diego Febles (PR)
DNS - Ernesto Soto (YV)
Porsche Carrera Hector Huerta 113 4. GTO 13. 2:30,045
11. 77 Roger Mandeville (USA)
Jim Downing (USA)
Mazda RX-7 Roger T. Mandeville 113 2. GTU 20. 2:34,292
12. 17 Jeff Kline (USA)
Jim Mederer (USA)
Mazda RX-7 Racing Beat 112 3. GTU 19. 2:34,039
13. 62 Bill Koll (USA)
Jim Cook (USA)
Porsche 914/6 914 043 0593 Koll Motor Sports 112 4. GTU 24. 2:36,648
14. 61 Jerry Lancaster (USA)
John Luczyk (USA)
Chevrolet Corvette L & L Racing Ent. 109 5. GTO 30. 2:38,752
15. 42 Tom Ashby (USA)
Bill Bean (USA)
Porsche 911 119 220 830 or 911 410 1035 Bullwinkele Racing 109 5. GTU 28. 2:37,463
16. 03 Werner Frank (USA)
Rudy Bartling (CDN)
Porsche 934 930 670 0162 Werner Frank 109 6. GTO 18. 2:32,955
17. 66 Kees Nierop (CDN)
Norm Ridgely (CDN)
Porsche 935 930 770 0959 Renaissance Group 107 6. GTX 9. 2:25,523
18. 38 Skip DeAscentis (USA)
Larry Trotter (USA)
Chevrolet Corvette DeAscentis Racing 107 7. GTO 25. 2:37,059
19. 4 Skeeter McKitterick (USA)
Bob Garretson (USA)
DNS - Buzz Marcus (USA)
Porsche 935 930 890 0024 Dick Barbour Racing 106 7. GTX 5. 2:19,391
20. 34 George Drolsom (USA)
Fred Clark (USA)
Porsche 911 Drolsom Racing 102 6. GTU 37. 2:45,220
21. 40 Steve Southard (USA)
Earl Roe (USA)
Porsche 914/6 Performance Specialists 102 7. GTU 39. 2:46,732
22. 7 Walt Bohren (USA)
Ron Cortez (USA)
Mazda RX-7 Walt Bohren Racing 99 8. GTU 27. 2:37,059
23. 6 Brian Redman (GB)
Dick Barbour (USA)
Skeeter McKitterick (USA)
Porsche 935 009 00030 Dick Barbour Racing 98 DNF 8. GTX 2. 2:15,675
24. 85 John Hulen (USA)
Ron Coupland (USA)
Porsche 914/6 John E. Hulen 89 DNF 9. GTU 34. 2:44,237
25. 31 Bard Boand (USA)
Keith Feldott (USA)
Chevrolet Corvette Sting Ray ex-Foyt '63 Bard Boand Racing 88 8. GTO 26. 2:37,232
26. 83 Don Devendorf (USA)
Tony Adamowicz (USA)
Datsun 280ZX Electramotive 87 10. GTU 12. 2:29,866
27. 52 Wayne Baker (USA)
Paul Haas (USA)
Margie Smith-Haas (USA)
Porsche 914/4 Personalized Porsche 85 11. GTU 40. 2:48,897
28. 73 Clark Howey (USA)
Dale Koch (USA)
Chevrolet Camaro Howey Farms 84 DNF 9. GTO 36. 2:45,068
29. 28 Ray Irwin (USA)
Robert Kivela (USA)
Chevrolet Corvette Auto Concepts 81 10. GTO 38. 2:46,578
30. 29 Tom E. Cronin (USA)
Ken Bolt (USA)
Fiat 128 Thomas E. Cronin 76 DNF 12. GTU 42. 2:59,114
31. 48 Phil Currin (USA)
John Carusso (USA)
Chevrolet Corvette Autodyne 71 DNF 11. GTO 10. 2:27,809
32. 86 Peter Gregg (USA)
Hurley Haywood (USA)
Bruce Leven (USA)
Porsche 935/77A 930 890 0018 Bayside Disposal Racing 68 DNF 9. GTX 1. 2:14,979
33. 43 Bob Gregg (USA)
Len Jones (USA)
Porsche 911 Bob Gregg 58 DNF 13. GTU 33. 2:43,791
34. 45 Michael Guffey (USA)
Jack Buchinger (USA)
Datsun 280Z Michael Guffey 54 DNF 12. GTO 35. 2:44,430
35. 39 John Higgins (USA)
James King (USA)
Roger Seacrist (USA)
Porsche 911 Foreign Exchange 50 DNF 14. GTU 32. 2:41,963
36. 72 Philip Keirn (USA)
Ed Errington (USA)
Chevrolet Corvette Keirn Garage 47 13. GTO 22. 2:36,375
37. 60 Rusty Bond (USA)
Ren Tilton (USA)
Porsche 911 E. J. Pruitt & Sons 44 DNF 15. GTU 44. no time
38. 07 Ludwig Heimrath (CDN)
Brett Lunger (USA)
Porsche 935 930 770 0958 Ludwig Heimrath 28 DNF 10. GTX 3. 2:16,000
39. 56 Craig Carter (USA)
David Laughlin (USA) - DND
Chevrolet Camaro Peerless Racing 8 DNF 14. GTO 29. 2:37,508
40. 8 Anatoly Arutunoff (USA)
JosÚ Marina (USA) - DND
Lancia Stratos Automobile International 7 DNF 16. GTU 41. 2:54,914
41. 25 Kenper Miller (USA)
Dave Cowart (USA) - DND
BMW 3.5 CSL Deren Automotive 1 DNF 15. GTO 31. 2:41,444
42. 01 Dave White (USA)
J. Kurt Roehrig (USA) - DND
BMW 320i Roehrig Racing 0 DNF 17. GTU 21. 2:35,738
Did not start:
14 Rusty Schmidt (USA)
Doug Grunnet (USA)
Chevrolet Corvette Corvettes Unlimited GTO 23. 2:36,558
41 Mark Leuzinger (USA)
Mike Van der Werff (USA)
De Tomaso Pantera 2846 B. R. Racing Team GTO 43. no time
Did not practice:
00 xxx Porsche 935/77A 930 890 0019 Interscope Racing GTX
In entry list:
13 Hal Shaw, Jr. (USA)
Gary Belcher (USA)
Porsche 935 930 670 0180 Hal Shaw Racing GTX
19 Chris Cord (USA)
Jim Adams (USA)
Chevrolet Monza DeKon 1011 Chris Cord GTX
49 Joe Pirrotta (USA)
Bill Lang (USA)
Chevrolet Corvette Joseph Pirrotta GTO
51 Robert Kirby (USA)
John Hotchkis (USA)
Porsche Carrera RSR 911 360 0601 Kirby-Hitchcock Racing GTO
98 Lance Van Every (USA)
Ash Tisdelle (USA)
Porsche Carrera RSR Van Every Racing GTO

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IMSA Round: 14

100 mile Road Atlanta II

Winston GT Road Atlanta (Winston GT Race), Road Atlanta Date: 23.9.1979

Started:38

Circuit length: Race distance: 162,222 km Winner's average speed: 169,717 km/h

Fastest lap:Peter GreggNo. 59Porsche 935/791:21,95178,158 km/h(lap 4)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 59 Peter Gregg (USA) Porsche 935/79 930 990 0030 Peter Gregg Racing 40 0:57:21,008 1. GTX 1.
2. 18 John Paul (USA) Porsche 935 JLP-1 930 890 0037=>JLP-1 JLP Racing 40 0:57:39,458 2. GTX 3.
3. 2 David Hobbs (GB) BMW 320i Turbo 003 McLaren North America 40 3. GTX 8.
4. 85 Hurley Haywood (USA) Porsche 935 930 770 0909 Bayside Disposal Racing 40 4. GTX 4.
5. 93 Don Whittington (USA) Porsche 935 930 670 0152 Whittington Brothers Racing 39 DNF 5. GTX 2. 1:20,425
6. 5 Charles Mendez (USA) Porsche 935 930 770 0957 Busch Beer 39 6. GTX 5.
7. 0 Ted Field (USA) Porsche 935/79 930 990 0029 Interscope Racing 39 7. GTX 13.
8. 05 Bob Akin (USA) Porsche 935 930 770 0957 Busch Beer 38 8. GTX 7.
9. 95 Dale Whittington (USA) Porsche 935/77A 930 890 0023 Whittington Brothers Racing 38 9. GTX 33.
10. 86 Bruce Leven (USA) Porsche 935/77A 930 890 0018 Bayside Disposal Racing 38 10. GTX 14.
11. 09 Preston Henn (USA) Porsche 935/77A 930 890 0021 Michelob Light 38 11. GTX 16.
12. 25 Kenper Miller (USA) BMW CSL Deren Automotive 38 1. GTO 11. 1:29,132
13. 44 Bob Tullius (USA) Triumph TR8 Group 44 37 2. GTO 17.
14. 90 Tony DeLorenzo (USA) Chevrolet Corvette Wink/DeLorenzo Racing 37 3. GTO 18.
15. 58 Francisco Romero (YV) Porsche Carrera Diego Febles Racing 37 4. GTO 19.
16. 94 Bill Whittington (USA) Porsche 935/79 930 990 0026 Whittington Brothers Racing 36 DNF 12. GTX 41.
17. 48 John Carusso (USA) Chevrolet Corvette Autodyne 36 5. GTO 26.
18. 54 Tony Garcia (USA) Porsche Carrera RSR Montura Racing 36 6. GTO 23.
19. 57 Dave Heinz (USA) Chevrolet Corvette Dave Heinz Import 36 7. GTO 24.
20. 56 Craig Carter (USA) Chevrolet Camaro Peerless Machine 36 8. GTO 30.
21. 8 Bob Beasley (USA) Porsche Carrera RSR 911 460 0035 Bob Beasley Racing 36 9. GTO 25.
22. 88 Logan Blackburn (USA) Datsun 280ZX Logan Blackburn 36 10. GTO 31.
23. 20 Michael Oleyar (USA) Chevrolet Camaro Oftedahl Racing 35 11. GTO 27.
24. 39 Skip DeAscentis (USA) Chevrolet Corvette DeAscentis Racing 35 12. GTO 32.
25. 49 Jim Moyer (USA) Chevrolet Corvette James I. Moyer 35 13. GTX 36.
26. 32 Chester Vincentz (USA) Porsche 934 930 670 0167 Electrodyne Racing 33 DNF 13. GTO 34.
27. 03 Werner Frank (USA) Porsche 934 930 670 0162 Werner Frank 27 DNF 14. GTO 15.
28. 67 Glenn Bunch (USA) Dodge Challenger Glenn R. Bunch 19 14. GTX 22.
29. 3 Jim Busby (USA) BMW 320i Turbo Jim Busby Racing 18 DNF 15. GTX 6.
30. 12 Ford Smith (USA) Chevrolet Corvette Ford Smith Racing 11 15. GTO 28.
31. 30 Gianpiero Moretti (I) Porsche 935/79 930 990 0032 Electrodyne 9 DNF 16. GTX 38.
32. 99 Phil Currin (USA) Chevrolet Corvette Full-Time Racing 9 DNF 16. GTO 9.
33. 46 Mauricio DeNarvaez (CO) Porsche Carrera RSR 911 360 1099 de Narvaez Racing 9 DNF 17. GTO 21.
34. 80 Maurice Carter (CDN) Chevrolet Camaro Maurice Carter 9 DNF 17. GTX 10.
35. 13 Randolph Townsend (USA) Porsche 935 930 770 0905 Andial 8 DNF 18. GTX 12.
36. 97 Don Axtmann (USA) Chevrolet Camaro Earl Hall 7 DNF 19. GTX 42.
37. 31 Randy Blessing (USA) Chevrolet Camaro RBR Inc. 2 DNF 18. GTO 20.
38. 00 Danny Ongais (USA) Porsche 935/77A 930 890 0019 Interscope Racing 0 DNF 20. GTX 35.

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IMSA Round: 14

Road Atlanta [GTU]

Winston GT (Winston GTU Race), Road Atlanta Date: 23.9.1979

Started:24

Circuit length: Race distance: 121,666 km Winner's average speed: 156,493 km/h

Fastest lap:Jeff KlineNo. 17Mazda RX-71:32,07158,575 km/h(lap 21)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 83 Don Devendorf (USA) Datsun 280ZX Electramotive 30 0:46:38,847 1. GTU 1. 1:31,572
2. 33 Paul Newman (USA) Datsun 280ZX Bob Sharp Racing 30 0:46:39,494 2. GTU 5.
3. 17 Jeff Kline (USA) Mazda RX-7 Racing Beat 30 3. GTU 2.
4. 79 Bob Bergstrom (USA) Mazda RX-7 Sport Ltd. 30 4. GTU 4.
5. 7 Walt Bohren (USA) Mazda RX-7 Walt Bohren Racing 30 5. GTU 9.
6. 77 Roger Mandeville (USA) Mazda RX-7 Roger Mandeville 30 6. GTU 8.
7. 38 Jim Fitzgerald (USA) Datsun Z - 30 7. GTU 10.
8. 62 Bill Koll (USA) Porsche 914/6 914 043 0593 Koll Motor Sports 30 8. GTU 7.
9. 84 Bob Speakman (USA) Datsun Z - 30 9. GTU 14.
10. 42 Bill Bean (USA) Porsche 911 119 220 830 or 911 410 1035 Pabst Blue Ribbin Racing 29 10. GTU 11.
11. 85 John Hulen (USA) Porsche 914/6 John E. Hulen 29 11. GTU 17.
12. 34 George Drolsom (USA) Porsche 911 Drolsom Racing 28 12. GTU 16.
13. 08 Terry Wolters (USA) Porsche 911 911 030 1263 Moran Construction 28 13. GTU 24.
14. 45 Ray Ratcliff (USA) Porsche 911 - 27 14. GTU 21.
15. 52 Chuck Wade (USA) Porsche 911 - 26 15. GTU 19.
16. 4 Ted Schumacher (USA) Triumph GT6 - 26 16. GTU 20.
17. 56 Norman Frame (USA) Datsun 510 Norman Frame 26 17. GTU 22.
18. 60 Rusty Bond (USA) Porsche 911 E. J. Pruitt & Sons 17 DNF 18. GTU 12.
19. 19 Richard Kendrick (USA) Datsun Z - 14 DNF 19. GTU 13.
20. 64 Dennis Aase (USA) Porsche 911 Alan Johnson Racing 9 DNF 20. GTU 3.
21. 69 Frank Harmstad (USA) Porsche 914/6 914 043 1177 Frank Harmstad 7 DNF 21. GTU 25.
22. 36 Ron Case (USA) Porsche 911 Case Racing 6 DNF 22. GTU 18.
23. 40 Steve Southard (USA) Porsche 914/6 Steve Southard 3 DNF 23. GTU 15.
24. 1 Dave White (USA) BMW 320i Roehrig Racing 2 DNF 24. GTU 6.

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IMSA Round: 15

250 mile Daytona Finale

Winston GT 250, Daytona International Speedway Date: 25.11.1979

Started:67(GTO - 34, GTU - 21, GTX - 12)

Circuit length: Race distance: 290,454 km Winner's average speed: 177,638 km/h

Fastest lap:Peter GreggNo. 59Porsche 935/791:48,031205,937 km/h(lap 14)

Pos.No.Driver / NationalityCarEntrantLapsTime/retiredPos.GroupPos.Practice
1. 94 Bill Whittington (USA) Porsche 935 K3 930 990 0026 Whittington Brothers Racing 47 1:38:06,350 1. GTX 3.
2. 93 Don Whittington (USA) Porsche 935 K3 009 00015 Whittington Brothers Racing 47 1:38:10,430 2. GTX 1. 1:45,011
3. 5 Charles Mendez (USA)
Brian Redman (GB)
Porsche 935 930 770 0911 47 3. GTX 5.
4. 18 John Paul (USA)
Paul Miller (USA)
Porsche 935 JLP-1 930 890 0037=>JLP-1 JLP Racing 47 4. GTX 6.
5. 09 Preston Henn (USA) Porsche 935/77A 930 890 0021 47 5. GTX 8.
6. 05 Bob Akin (USA)
Roy Woods (USA)
Porsche 935 930 770 0957 Busch Beer 46 6. GTX 11.
7. 46 Mauricio DeNarvaez (CO) Porsche Carrera RSR 911 360 1099 de Narvaez Racing 46 1. GTO 20.
8. 21 Carl Shafer (USA) Chevrolet Camaro 45 2. GTO 14.
9. 03 Werner Frank (USA) Porsche 934 930 670 0162 45 3. GTO 22.
10. 83 Don Devendorf (USA) Datsun 280ZX Electramotive 45 1. GTU 24. 2:01,917
11. 69 Klaus Bytzek (CDN)
Rudy Bartling (CDN)
Porsche Carrera RSR Bytzek Automotive 44 4. GTO 27.
12. 51 Lamar Mann (USA) Chevrolet Corvette 43 5. GTO 25.
13. 35 Honorato Espinosa (CO) Porsche Carrera 43 6. GTO 26.
14. 7 Walt Bohren (USA) Mazda RX-7 Walt Bohren Racing 43 2. GTU 33.
15. 75 Dale Kreider (USA) Chevrolet Corvette Dale Kreider 43 7. GTO 39.
16. 66 Jeff Loving (USA)
Richard Small (USA)
Chevrolet Camaro 43 8. GTO 34.
17. 79 Bob Bergstrom (USA) Mazda RX-7 Sports Ltd. Racing 43 3. GTU 35.
18. 92 Ricardo Londono (CO) Porsche 935 911 620 0385=>930 670 0175░ Ricardo Londono 42 DNF 7. GTX 12.
19. 72 Murray Edwards (CDN) Chevrolet Corvette 42 9. GTO 41.
20. 13 Angelo Pallavicini (CH) Porsche Carrera RSR 911 460 9050 42 10. GTO 50.
21. 88 Skip DeAscentis (USA) Chevrolet Corvette 42 11. GTO 42.
22. 19 Richard Kendrick (USA) Datsun Z 42 4. GTU 49.
23. 6 Tim Morgan (USA)
Marcus Opie (USA)
Chevrolet Corvette 42 12. GTO 51.
24. 34 George Drolsom (USA) Porsche 911 Drolsom Racing 41 5. GTU 57.
25. 31 Juan Lopez (DR)
Mandy Gonzalez (PR)
Porsche 911 41 6. GTU 44.
26. 37 Jorge Cortes (CO) Porsche Carrera 40 13. GTO 23.
27. 50 Fritz Hochreuter (CDN)
Rainer Brezinka (CDN)
Porsche 911 40 14. GTO 46.
28. 9 Bonnie Henn (USA)
Hal Sahlman (USA)
Ferrari 365 GTB/4 13367 39 15. GTO 61.
29. 33 Richard Aten (USA)
Peter Welter (USA)
Porsche 911 39 7. GTU 66.
30. 02 J. Kurt Roehrig (USA) Porsche 911 39 8. GTU 58.
31. 08 Terry Wolters (USA)
M. L. Speer (USA)
Porsche 911 911 030 1263 Moran Construction 39 9. GTU 65.
32. 14 Dick Neland (USA) Chevrolet Camaro 39 16. GTO 53.
33. 11 Don Yenko (USA)
Kim Mason (USA)
Chevrolet Nova 38 DNF 17. GTO 38.
34. 60 Rusty Bond (USA)
Ren Tilton (USA)
Porsche 911 38 10. GTU 47.
35. 76 Ken Williams (USA)
Mark Behm
Datsun 240Z Associated Speed & Performance 37 11. GTU 59.
36. 17 Jeff Kline (USA) Mazda RX-7 Racing Beat 36 DNF 12. GTU 28.
37. 06 Bill Gallup Porsche 911 36 13. GTU 72.
38. 67 Harry Chilcot (USA) Datsun 240Z 34 14. GTU 68.
39. 59 Peter Gregg (USA)
Hurley Haywood (USA)
Porsche 935/79 930 990 0030 33 8. GTX 2.
40. 63 Bob Speakman (USA) Mazda RX-7 31 DNF 15. GTU 62.
41. 68 Luis Mendez (DR)
Jose Ares
Porsche Carrera RSR 005 0009 31 DNF 18. GTO 37.
42. 52 Fred Snow (USA)
Jack Swanson (USA)
Porsche 911 31 DNF 16. GTU 63.
43. 27 Robert LaMay (USA)
Eric Orberg (USA)
Ford Mustang 25 19. GTO 70.
44. 23 Frank Carney (USA)
Dick Davenport (USA)
Datsun 280ZX 23 DNF 17. GTU 43.
45. 65 William Wessel (USA)
Vince Gimondo (USA)
Chevrolet Corvette 23 DNF 20. GTO 55.
46. 44 Bob Tullius (USA) Triumph TR8 Group 44 21 DNF 21. GTO 17.
47. 00 Danny Ongais (USA) Porsche 935/77A 930 890 0019 Interscope Racing 20 DNF 9. GTX 4.
48. 38 Bonky Fernandez (PR) Porsche Carrera RSR 911 460 9113 Boricua Racing 20 DNF 22. GTO 31.
49. 89 Joseph Hamilton (USA) Porsche 911 Hamilton House Racing 19 DNF 18. GTU 54.
50. 90 Rick Kump (USA) AMC AMX Bob's Speed Products 19 DNF 23. GTO 52.
51. 80 Maurice Carter (CDN) Chevrolet Camaro 18 DNF 10. GTX 10.
52. 57 Dave Heinz (USA) Chevrolet Corvette 17 DNF 24. GTO 13. 1:57,058
53. 04 Rick Thompkins (USA) Chevrolet Corvette 16 DNF 25. GTO 29.
54. 71 Philip Keirn (USA) Chevrolet Corvette Philip Keirn 16 DNF 26. GTO 48.
55. 95 Dale Whittington (USA) Porsche 935/77A 930 890 0023 Whittington Brothers Racing 14 DNF 11. GTX 9.
56. 8 Chuck Grantham (USA) Porsche Carrera 9 DNF 27. GTO 32.
57. 77 Jim Downing (USA) Mazda RX-7 Roger Mandeville 8 DNF 19. GTU 30.
58. 99 Phil Currin (USA) Chevrolet Corvette Full-Time Racing 7 DNF 28. GTO 16.
59. 74 Josele Garza (USA) Porsche Carrera 6 DNF 29. GTO 67.
60. 58 Diego Febles (PR) Porsche Carrera 5 DNF 30. GTO 45.
61. 2 David Hobbs (GB) BMW 320i Turbo 003 McLaren North America 4 DNF 12. GTX 7.
62. 39 Bob Fryer (USA) AMC Javelin 3 DNF 31. GTO 71.
63. 4 Bob Baechle (USA) Chevrolet Corvette 2 DNF 32. GTO 40.
64. 20 Ernie Smith (USA) Alfa Romeo Alfetta 2 DNF 20. GTU 69.
65. 10 Sidney Smith (USA) Porsche 914/6 914 043 0945 1 DNF 21. GTU 60.
66. 48 John Carusso (USA) Chevrolet Corvette Autodyne 1 DNF 33. GTO 18.
67. 54 Terry Herman (USA) Porsche Carrera RSR Montura Racing 0 DNF 34. GTO 19.
Did not start:
0 Ted Field (USA) Porsche 935/79 930 990 0029 Interscope Racing Accident in practice GTX

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Presented by WSRP Martin Krejci.
Last update: 10.10.2014