3.round : Road Atlanta
5.round : Laguna Seca
6.round : Lime Rock
7.round : Brainerd
8.round : Golden State
9.round : Portland
12.round : Road Atlanta
Road Atlanta - GTU 3.round
Started: 20
Race:
FL: Walt Bohren 7 Mazda RX-7 1:40,070 145,8983 km/h (lap 17)
Pos. NO Driver / Nationality Car Entrant Laps Time/Retired Group Practice
Classified:
1. 7 Walt Bohren / USA Mazda RX-7 Racing Beat 27 1. GTU 2.
2. 64 Dennis Aase / USA Porsche 911 - 27 2. GTU 4.
3. 33 Paul Newman / USA Datsun ZX Bob Sharp Racing 27 3. GTU 5.
4. 17 Jeff Kline / USA Mazda RX-7 Racing Beat 27 4. GTU 3.
5. 48 Frank Leary / USA Datsun ZX - 27 5. GTU 7.
6. 83 Don Devendorf / USA Datsun ZX Electramotive 27 6. GTU 1. 1:30,947
7. 23 Frank Carney / USA Datsun ZX - 26 7. GTU 12.
8. 82 John Casey / USA Mazda RX-7 Trinity Racing 26 8. GTU 11.
9. 79 Bob Bergstrom / USA Mazda RX-7 Sports Ltd. Racing 26 9. GTU 6.
10. 42 David Bell / USA Datsun ZX 26 10. GTU 13.
11. 70 Chris Doyle / USA Mazda RX-7 - 26 11. GTU 10.
12. 57 Wayne Baker / USA Porsche 914/4 - 25 12. GTU 14.
13. 11 Dan Veach / USA Mazda RX-7 - 25 13. GTU 15.
14. 34 George Drolsom / USA Porsche 911 - 25 14. GTU 16.
15. 95 Fred Stiff / USA Datsun 240Z NTS Racing 24 15. GTU 17.
16. 88 Doug Turnbull Datsun 510 24 16. GTU 19.
17. 52 Larry Luke / USA Datsun 240Z - 24 17. GTU 20.
18. 56 Norman Frame / USA Datsun 510 - 22 18. GTU 21.
19. 26 Ernie Smith / USA Alfa Romeo Alfetta Eleven-Tenths Racing 6 DNF 19. GTU 23.
20. 81 Steve Dietrich / USA Mazda RX-7 Trinity Racing 5 DNF 20. GTU 18.
In entry list only:
27 John Morgan / USA Datsun Z - GTU
38 Jim Fitzgerald / USA Datsun 240Z - GTU
47 Brad Frisselle / USA Mazda RX-7 - GTU
54 Rene Ascona / USA Porsche 911 - GTU
55 Larry Mabanor / USA Datsun Z - GTU
62 Bill Koll / USA Porsche 911 Koll Motor Sports GTU
85 John Hulen / USA Porsche 914/6 Ron Coupland GTU
96 George Alderman / USA Datsun 240Z NTS Racing GTU
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Laguna Seca - GTU 5.round
Started: 19
Race: * 39 laps = 119,252 km AVG: 153,824 km/h
FL: Jeff Kline 17 Mazda RX-7 1:10,590 96,898 km/h (lap 2)
Pos. NO Driver / Nationality Car Entrant Laps Time/Retired Group Practice
Classified:
1. 7 Walt Bohren / USA Mazda RX-7 39 0:46:30,890 1. GTU 1. 1:09,616
2. 83 Don Devendorf / USA Datsun ZX 39 0:46:32,799 2. GTU 4.
3. 64 Dennis Aase / USA Porsche 911 39 3. GTU 2.
4. 47 Brad Frisselle / USA Mazda RX-7 39 4. GTU 6.
5. 79 Bob Bergstrom / USA Mazda RX-7 39 5. GTU 8.
6. 17 Jeff Kline / USA Mazda RX-7 39 6. GTU 3.
7. 48 Frank Leary / USA Datsun ZX 39 7. GTU 5.
8. 96 George Alderman / USA Datsun 240Z 38 8. GTU 9.
9. 57 Wayne Baker / USA Porsche 914/4 38 9. GTU 10.
10. 49 Joel Anderson Datsun Z 38 10. GTU 11.
11. 69 Dennis Tholen Porsche 911 37 11. GTU 17.
12. 5 Bill Neal Porsche 911 37 12. GTU 18.
13. 95 Fred Stiff / USA Datsun 240Z 37 13. GTU 15.
14. 81 Steve Dietrich / USA Mazda RX-7 37 14. GTU 19.
15. 28 Bob Zulkowski / USA Porsche 914/6 35 DNF 15. GTU 16.
16. 23 Frank Carney / USA Datsun ZX 34 16. GTU 13.
17. 77 Roger Mandeville / USA Mazda RX-7 27 DNF 17. GTU 7.
18. 41 W. L. Shaw Honda 20 DNF 18. GTU 20.
19. 82 John Casey / USA Mazda RX-7 3 DNF 19. GTU 12.
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Lime Rock - GTU 6.round
Started: 12
Race: * 47 laps = 115,728 km AVG: 151,278 km/h
FL: Walt Bohren 7 Mazda RX-7 0:57,460 154,2685 km/h (lap 21)
Pos. NO Driver / Nationality Car Entrant Laps Time/Retired Group Practice
Classified:
1. 83 Don Devendorf / USA Datsun ZX 47 0:45:53,996 1. GTU 2.
2. 64 Dennis Aase / USA Porsche 911 47 0:45:54,489 2. GTU 1. 0:57,137
3. 7 Walt Bohren / USA Mazda RX-7 46 3. GTU 11.
4. 47 Brad Frisselle / USA Mazda RX-7 46 4. GTU 3.
5. 62 Bill Koll / USA Porsche 911 46 5. GTU 5.
6. 96 Fred Stiff / USA Datsun 240Z 45 6. GTU 6.
7. 34 George Drolsom / USA Porsche 911 44 7. GTU 9.
8. 11 Helmut Silberberger / USA Alfa Romeo GTV 44 8. GTU 10.
9. 33 Paul Newman / USA Datsun ZX 31 DNF 9. GTU 7.
10. 95 Sam Posey / USA Datsun 240Z 30 DNF 10. GTU 4.
11. 63 William Coykendall / USA Datsun 200SX 27 DNF 11. GTU 8.
12. 17 Jeff Kline / USA Mazda RX-7 25 DNF 12. GTU 12.
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100 mil Brainerd 7.round
Started: 23
Race: * 33 laps = 159,325 km AVG: 164,477 km/h
FL: Walt Bohren 7 Mazda RX-7 1:43,510 167,9157 km/h (lap 10)
Pos. NO Driver / Nationality Car Entrant Laps Time/Retired Group Practice
Classified:
1. 68 Luis Mendez / DR Porsche Carrera Mendez Racing 33 0:58:07,240 1. GTO 3. 1:44,029
2. 17 Jeff Kline / USA Mazda RX-7 33 0:58:15,380 1. GTU 8.
3. 47 Brad Frisselle / USA Mazda RX-7 33 2. GTU 2.
4. 54 Tony Garcia / USA Porsche Carrera 33 2. GTO 12.
5. 79 Bob Bergstrom / USA Mazda RX-7 33 3. GTU 16.
6. 0 Dick Kantrud Chevrolet Camaro 33 3. GTO 17.
7. 83 Don Devendorf / USA Datsun ZX 32 4. GTU 5.
8. 91 Roger Schramm / USA Porsche Carrera 32 4. GTO 20.
9. 23 Dick Davenport / USA Datsun ZX 32 5. GTU 11.
10. 51 John Hotchkis / USA Porsche Carrera 32 5. GTO 19.
11. 62 Bill Koll / USA Porsche 911 31 6. GTU 13.
12. 10 Gerry Wellik Chevrolet Camaro 31 6. GTO 18.
13. 0 Werner Frank / USA Porsche 934 30 DNF 7. GTO 25.
14. 34 George Drolsom / USA Porsche 911 29 7. GTU 23.
15. 64 Dennis Aase / USA Porsche 911 24 8. GTU 7.
16. 7 Walt Bohren / USA Mazda RX-7 20 DNF 9. GTU 1. 1:43,776
17. 44 Bob Tullius / USA Triumph TR-8 17 DNF 8. GTO 4.
18. 49 Jerry Hansen / USA Chevrolet Corvette 14 DNF 9. GTO 10.
19. 41 Rusty Schmidt / USA Chevrolet Corvette 11 DNF 10. GTO 14.
20. 38 John McComb / USA Ford Mustang 11 DNF 11. GTO 22.
21. 56 Craig Carter / USA Chevrolet Camaro 5 DNF 12. GTO 15.
22. 33 Paul Newman / USA Datsun ZX 3 DNF 10. GTU 6.
23. 46 Mauricio DeNarvaez / COL Porsche Carrera 3 DNF 13. GTO 9.
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Golden State - GTU 8.round
Started: 28
Race: * 30 laps = 121,811 km AVG: 135,592 km/h
FL: Walt Bohren 7 Mazda RX-7 1:46,160 137,6922 km/h (lap 5)
Pos. NO Driver / Nationality Car Entrant Laps Time/Retired Group Practice
Classified:
1. 7 Walt Bohren / USA Mazda RX-7 30 0:53:54,099 1. GTU 1. 1:45,358
2. 33 Paul Newman / USA Datsun ZX 30 0:54:05,778 2. GTU 5.
3. 79 Bob Bergstrom / USA Mazda RX-7 30 3. GTU 4.
4. 17 Jeff Kline / USA Mazda RX-7 30 4. GTU 3.
5. 95 Sam Posey / USA Datsun 240Z 30 5. GTU 9.
6. 77 Roger Mandeville / USA Mazda RX-7 30 6. GTU 11.
7. 48 Frank Leary / USA Datsun ZX 30 7. GTU 8.
8. 49 Joel Anderson Datsun ZX 30 8. GTU 16.
9. 24 Larry Chmura / USA Porsche 911 29 9. GTU 18.
10. 69 Dennis Tholen Porsche 911 29 10. GTU 20.
11. 11 Gary Nylander / USA Porsche 911 28 DNF 11. GTU 13.
12. 73 Jerry Demele Porsche 911 28 12. GTU 21.
13. 82 John Casey / USA Mazda RX-7 28 13. GTU 29.
14. 57 Jeff Scott Porsche 914/4 28 14. GTU 15.
15. 54 Glenn Klimek Datsun ZX 28 15. GTU 19.
16. 5 Bill Neal Porsche 911 28 16. GTU 22.
17. 6 Bob Barnes Porsche 911 28 17. GTU 24.
18. 36 John Samson / USA Alfa Romeo GTV 26 18. GTU 25.
19. 86 Tony DiBenedetto Opel Manta 23 19. GTU 30.
20. 47 Brad Frisselle / USA Mazda RX-7 22 DNF 20. GTU 2.
21. 23 Frank Carney / USA Datsun ZX 21 DNF 21. GTU 17.
22. 62 Bill Koll / USA Porsche 911 16 DNF 22. GTU 10.
23. 59 Nick Feodorhoff Porsche 911 14 DNF 23. GTU 26.
24. 96 Fred Stiff / USA Datsun 240Z 12 DNF 24. GTU 14.
25. 45 Ray Ratcliff / USA Porsche 914/6 7 DNF 25. GTU 23.
26. 46 Neil Vanni / USA Datsun 240Z 5 DNF 26. GTU 12.
27. 83 Don Devendorf / USA Datsun ZX 4 DNF 27. GTU 7.
28. 2 Wayne Nunnally / USA Porsche 924 1 DNF 28. GTU 27.
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Portland - GTU 9.round
Started: 18
Race: * 36 laps = 110,948 km AVG: 147,636 km/h
FL: Walt Bohren 7 Mazda RX-7 1:14,310 149,3053 km/h (lap 11)
Pos. NO Driver / Nationality Car Entrant Laps Time/Retired Group Practice
Classified:
1. 7 Walt Bohren / USA Mazda RX-7 Racing Beat 36 0:45:05,380 1. GTU 1. 1:12,979
2. 17 Jeff Kline / USA Mazda RX-7 Racing Beat 36 0:45:05,860 2. GTU 2.
3. 47 Brad Frisselle / USA Mazda RX-7 36 3. GTU 20.
4. 83 Don Devendorf / USA Datsun ZX 36 4. GTU 3.
5. 79 Bob Bergstrom / USA Mazda RX-7 36 5. GTU 6.
6. 62 Bill Koll / USA Porsche 911 35 6. GTU 7.
7. 23 Frank Carney / USA Datsun ZX 35 7. GTU 9.
8. 49 Joel Anderson Datsun Z 35 8. GTU 10.
9. 85 Jerry Murch Datsun 240Z 34 9. GTU 15.
10. 77 Roger Mandeville / USA Mazda RX-7 34 10. GTU 5.
11. 57 Jeff Scott Porsche 914/4 34 11. GTU 14.
12. 31 Marc Rothman / USA Porsche 911 34 12. GTU 12.
13. 11 Gary Nylander / USA Porsche 911 33 13. GTU 11.
14. 59 Nick Feodorhoff Porsche 911 33 14. GTU 16.
15. 54 Glenn Klimek Datsun Z 30 DNF 15. GTU 13.
16. 64 Dennis Aase / USA Porsche 911 26 DNF 16. GTU 4.
17. 33 Paul Newman / USA Datsun ZX 5 DNF 17. GTU 8.
18. 24 Wayne Nunnally / USA Porsche 924 1 DNF 18. GTU 17.
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Road Atlanta - GTU 12.round
Started: 13
Race: * 30 laps = 121,666 km AVG: 154,948 km/h
FL: Jeff Kline 7 Mazda RX-7 1:32,820 157,2941 km/h (lap 3)
Pos. NO Driver / Nationality Car Entrant Laps Time/Retired Group Practice
Classified:
1. 7 Jeff Kline / USA Mazda RX-7 30 0:47:06,759 1. GTU 1. 1:32,075
2. 62 Bill Koll / USA Porsche 911 Koll Motor Sports 30 0:47:10,157 2. GTU 2.
3. 2 Wayne Baker / USA Porsche 914/4 30 3. GTU 3.
4. 23 Frank Carney / USA Datsun ZX - 30 4. GTU 14.
5. 32 George Alderman / USA Datsun 240Z Alderman Racing 30 5. GTU 4.
6. 70 Chris Doyle / USA Mazda RX-7 30 6. GTU 6.
7. 69 Frank Harmstad / USA Porsche 914/6 30 7. GTU 5.
8. 66 Jack Dunham / USA Mazda RX-7 29 8. GTU 15.
9. 34 George Drolsom / USA Porsche 911 - 27 9. GTU 8.
10. 26 Ernie Smith / USA Alfa Romeo Alfetta 26 10. GTU 11.
11. 52 Larry Luke / USA Datsun Z - 25 11. GTU 9.
Norman Frame / USA
12. 27 John Morgan / USA Datsun Z 24 12. GTU 10.
13. 8 Anatoly Arutunoff / USA Lancia Stratos 17 13. GTU 7.
In entry list only:
11 Dan Veach / USA Mazda RX-7 - GTU
17 Walt Bohren / USA Mazda RX-7 Racing Beat GTU
42 David Bell / USA Datsun Z - GTU
73 Pierre Honegger / USA Mazda RX-7 Z&W Enterprises GTU
95 Fred Stiff / USA Datsun Z NTS Racing GTU
96 Sam Posey / USA Datsun Z NTS Racing GTU
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