1975 IMSA - round 4

	Heats
	1975 Road Atlanta
1974 Laguna Seca	Go
	1975 Riverside
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100 miles of Laguna Seca

Laguna Seca Raceway, Monterey, California, USA

Date: 4/5/1975
Track length: ca. 3.095 m
Attendance:
Entries accepted:
Starters: 42
Finishers: 30 (heat 1), 28 (heat 2)

Pole position: Stuck in 1.08,50 = 160,68 kmh
Fastest lap: Stuck in 1.08,00 = 161,86 kmh (heat 1)

Distance: 2 x 52 laps
Average speed: 155,559 kmh (heat 1), 156,042 kmh (heat 2)
Weather:
Ruleset: IMSA GT
Car info: 1975 Cars

Another two-heat race at Laguna Seca. In heat 1, Stuck had a hard fight with Gregg but was unable to beat the white Porsche since he got a puncture.
But in heat 2, Hans had an easier task when Gregg suffered a puncture. Keyser came second, while Holbert drove a fine race finishing fifth after a start from the back.

Heat 1

Pos Pos in class # Team / Entrant
Car- Engine Drivers, Nationality Engine
vol. (cc) Engine
Type Group Distance,
time Qualifying position Qualifying time Fastest lap Reason out,
remarks

1 1 59 Brumos Porsche
Porsche Carrera RSR Peter Gregg, USA
2994 B6 GTO 52 laps, 1:01.19,62 3

2 2 25 BMW of North America, Inc
BMW 3.0 CSL Hans-Joachim Stuck, D
3498 L6 GTO 52 laps, 1:01.25,58 1 1.08,50 1.08,00

3 3
Porsche Carrera RSR Elliot Forbes-Robinson, USA
2994 B6 GTO 52 4

4 4
Porsche Carrera RSR Michael Keyser, USA
2994 B6 GTO 52 5

5 5
Porsche Carrera RSR George Dyer, USA
2994 B6 GTO 52 7

6 6
Porsche Carrera RSR Charlie Kemp, USA
2994 B6 GTO 51 8

7 7
Porsche Carrera RSR John O'Steen, USA
2994 B6 GTO 51 9

8 8
Chevrolet Corvette Milt Minter, USA
V8 GTO 50 6

9 9
Porsche Carrera RSR Jim Busby, USA
2994 B6 GTO 50 14

10 10
Porsche Carrera RSR Bob Hagestad, USA
2994 B6 GTO 50 11

11 1
Datsun 240Z Walt Maas, USA
ca. 2400 L6 GTU 49 18

12 11
Porsche Carrera RSR Bob Harmon, USA
2994 B6 GTO 49 20

13 12
Porsche Carrera RSR Raldolph Townsend, USA
2994 B6 GTO 48 23

14 2
Datsun 240Z Brad Frisselle, USA
ca. 2400 L6 GTU 48 21

15 13
Ford Capri RS 3100 12v Harry Theodorocopulous, USA
3412 V6 GTO 48 10

16 14
Chevrolet Camaro Greg Pickett, USA
V8 GTO 48 25

17 3 33 Bob Sharp Racing
Datsun 240Z Bob Sharp, USA
ca. 2400 L6 GTU 47 17

18 15
Chevrolet Corvette Ted Mathey, USA
V8 GTO 47 34

19 4
VW-Porsche 914/6 Bill Polich
1991 B6 GTU 47 35

20 16
Chevrolet Corvette Gary Tucker, USA
V8 GTO 46 29

21 17
Porsche Carrera RSR Juan Carlos Bolanos, MEX
2994 B6 GTO 46 13

22 5
VW-Porsche 914/6 John Hotchkis Sr, USA
1991 B6 GTU 46 37

23 18 Kauffman Racing
Chevrolet Corvette Harry Kauffman, USA
V8 GTO 46 27

DNF 19
Chevrolet Camaro Burton Jackson, USA
V8 GTO 46 38

25 6
Porsche 911 Bill Freeman, USA
B6 GTU 45 11?

26 20
Chevrolet Corvette Rich Sloma, USA
V8 GTO 45 30

27 21
Ford Mustang Rainer Neumann, USA
V8 GTO 44 19

28 22
Chevrolet Corvette Dave Schwafel, USA
V8 GTO 44 36

29 7
Porsche 911 Howard Meister, USA
B6 GTU 43 32

30 8
Porsche 911 Cuffy Crabbe
B6 GTU 41 24

DNF 23
AMC Javelin Rob McFarlin, USA
V8 GTO 40 28

DNF 24
Chevrolet Camaro Joe Chamberlain, USA
V8 GTO 33 22

DNF 25
Chevrolet Corvette Frank Fahey, USA
V8 GTO 33 12

DNF 9
Porsche 911 John Bauer, USA
B6 GTU 24 33

DNF 26
Chevrolet Corvette Jim Wilson, USA
V8 GTO 16 31

DNF 27
Chevrolet Corvette Larry Stephens, USA
V8 GTO 15 16

DNF 28
Chevrolet Corvette Frank Search, USA
V8 GTO 15 26

DNF 29
Chevrolet Corvette Jeff Gardner, USA
V8 GTO 12 15

DNF 30
Chevrolet Camaro Mark Pielsticker, USA
V8 GTO 11 40

DNF 10
Porsche 911 Tom Masterton, USA
B6 GTU 4 43

DNF 31
Chevrolet Camaro Peter Weinhold, USA
V8 GTO 4 46

DNF 32
Porsche Carrera RSR Al Holbert, USA
2994 B6 GTO 3 2 Engine

Heat 2

Pos Pos in class # Team / Entrant
Car- Engine Drivers, Nationality Engine
vol. (cc) Engine
Type Group Distance,
time Qualifying position Qualifying time Fastest lap Reason out,
remarks

1 1 25 BMW of North America, Inc
BMW 3.0 CSL Hans-Joachim Stuck, D
3498 L6 GTO 52 laps, 1:01.08,46 1.08,01

2 2
Porsche Carrera RSR Michael Keyser, USA
2994 B6 GTO 52 laps, 1:01.55,5

3 3
Porsche Carrera RSR Elliot Forbes-Robinson, USA
2994 B6 GTO 52

4 4 59 Brumos Porsche
Porsche Carrera RSR Peter Gregg, USA
2994 B6 GTO 52

5 5
Porsche Carrera RSR Al Holbert, USA
2994 B6 GTO 51

6 6
Porsche Carrera RSR George Dyer, USA
2994 B6 GTO 51

7 7
Porsche Carrera RSR Charlie Kemp, USA
2994 B6 GTO 51

8 8
Porsche Carrera RSR Jim Busby, USA
2994 B6 GTO 50

9 9 John Greenwood Racing
Chevrolet Corvette John Greenwood, USA
V8 GTO 50

10 1 Bob Sharp Racing
Datsun 240Z Bob Sharp, USA
ca. 2400 L6 GTU 49

11 2
Datsun 240Z Brad Frisselle, USA
ca. 2400 L6 GTU 48

12 10
Porsche Carrera RSR Bob Harmon, USA
2994 B6 GTO 48

13 11
Porsche Carrera RSR Raldolph Townsend, USA
2994 B6 GTO 48

14 3
Porsche 911 Jim Cook, CDN
B6 GTU 48

DNF 12
Chevrolet Camaro Burton Jackson, USA
V8 GTO 48

16 13
Chevrolet Corvette Rich Sloma, USA
V8 GTO 47

17 14 Kauffman Racing
Chevrolet Corvette Roger Kraus, USA
V8 GTO 47

18 15
Chevrolet Corvette Gary Tucker, USA
V8 GTO 47

19 16
Porsche Carrera RSR John Graves, USA
2994 B6 GTO 46

20 4
Porsche 911 S Adrian Gang, USA
B6 GTU 46

21 5
VW-Porsche 914/6 Bob Kirby, USA
1991 B6 GTU 46

22 17
Chevrolet Camaro Peter Weinhold, USA
V8 GTO 46

23 6
VW-Porsche 914/6 Bill Polich
1991 B6 GTU 45

24 18
Porsche Carrera RSR Bob Hagestad, USA
2994 B6 GTO 46

25 7
Porsche 911 Bill Freeman, USA
B6 GTU 45

26 8
Porsche 911 Charly Godecke, CDN
B6 GTU 45

27 9
Porsche 911 Tom Masterton, USA
B6 GTU 44

28 19
Chevrolet Corvette Dave Schwafel, USA
V8 GTO 43

DNF 20
Chevrolet Camaro Mark Pielsticker, USA
V8 GTO 43

DNF 21
Porsche Carrera RSR Juan Carlos Bolanos, MEX
2994 B6 GTO 41

31 22
AMC Javelin Rob McFarlin, USA
V8 GTO 39

DNF 10
Porsche 911 Howard Meister, USA
B6 GTU 37

DNF 23
Chevrolet Corvette Ted Mathey, USA
V8 GTO 36

DNF 11
Datsun 240Z Walt Maas, USA
ca. 2400 L6 GTU 36

DNF 24
Chevrolet Camaro Greg Pickett, USA
V8 GTO 34

DNF 25
Chevrolet Corvette Jim Wilson, USA
V8 GTO 27

DNF 26
Chevrolet Corvette Larry Stephens, USA
V8 GTO 25

DNF 27
Ford Capri RS 3100 12v Harry Theodorocopulous, USA
3412 V6 GTO 24

DNF 28
Chevrolet Corvette Rainer Neumann, USA
V8 GTO 2

DNF 12
Porsche 911 John Bauer, USA
B6 GTU 2

Heat 1
Pos	Pos in class	#	Team / Entrant Car- Engine	Drivers, Nationality	Engine vol. (cc)	Engine Type	Group	Distance, time	Qualifying position	Qualifying time	Fastest lap	Reason out, remarks
1	1	59	Brumos Porsche Porsche Carrera RSR	Peter Gregg, USA	2994	B6	GTO	52 laps, 1:01.19,62	3
2	2	25	BMW of North America, Inc BMW 3.0 CSL	Hans-Joachim Stuck, D	3498	L6	GTO	52 laps, 1:01.25,58	1	1.08,50	1.08,00
3	3		Porsche Carrera RSR	Elliot Forbes-Robinson, USA	2994	B6	GTO	52	4
4	4		Porsche Carrera RSR	Michael Keyser, USA	2994	B6	GTO	52	5
5	5		Porsche Carrera RSR	George Dyer, USA	2994	B6	GTO	52	7
6	6		Porsche Carrera RSR	Charlie Kemp, USA	2994	B6	GTO	51	8
7	7		Porsche Carrera RSR	John O'Steen, USA	2994	B6	GTO	51	9
8	8		Chevrolet Corvette	Milt Minter, USA		V8	GTO	50	6
9	9		Porsche Carrera RSR	Jim Busby, USA	2994	B6	GTO	50	14
10	10		Porsche Carrera RSR	Bob Hagestad, USA	2994	B6	GTO	50	11
11	1		Datsun 240Z	Walt Maas, USA	ca. 2400	L6	GTU	49	18
12	11		Porsche Carrera RSR	Bob Harmon, USA	2994	B6	GTO	49	20
13	12		Porsche Carrera RSR	Raldolph Townsend, USA	2994	B6	GTO	48	23
14	2		Datsun 240Z	Brad Frisselle, USA	ca. 2400	L6	GTU	48	21
15	13		Ford Capri RS 3100 12v	Harry Theodorocopulous, USA	3412	V6	GTO	48	10
16	14		Chevrolet Camaro	Greg Pickett, USA		V8	GTO	48	25
17	3	33	Bob Sharp Racing Datsun 240Z	Bob Sharp, USA	ca. 2400	L6	GTU	47	17
18	15		Chevrolet Corvette	Ted Mathey, USA		V8	GTO	47	34
19	4		VW-Porsche 914/6	Bill Polich	1991	B6	GTU	47	35
20	16		Chevrolet Corvette	Gary Tucker, USA		V8	GTO	46	29
21	17		Porsche Carrera RSR	Juan Carlos Bolanos, MEX	2994	B6	GTO	46	13
22	5		VW-Porsche 914/6	John Hotchkis Sr, USA	1991	B6	GTU	46	37
23	18		Kauffman Racing Chevrolet Corvette	Harry Kauffman, USA		V8	GTO	46	27
DNF	19		Chevrolet Camaro	Burton Jackson, USA		V8	GTO	46	38
25	6		Porsche 911	Bill Freeman, USA		B6	GTU	45	11?
26	20		Chevrolet Corvette	Rich Sloma, USA		V8	GTO	45	30
27	21		Ford Mustang	Rainer Neumann, USA		V8	GTO	44	19
28	22		Chevrolet Corvette	Dave Schwafel, USA		V8	GTO	44	36
29	7		Porsche 911	Howard Meister, USA		B6	GTU	43	32
30	8		Porsche 911	Cuffy Crabbe		B6	GTU	41	24
DNF	23		AMC Javelin	Rob McFarlin, USA		V8	GTO	40	28
DNF	24		Chevrolet Camaro	Joe Chamberlain, USA		V8	GTO	33	22
DNF	25		Chevrolet Corvette	Frank Fahey, USA		V8	GTO	33	12
DNF	9		Porsche 911	John Bauer, USA		B6	GTU	24	33
DNF	26		Chevrolet Corvette	Jim Wilson, USA		V8	GTO	16	31
DNF	27		Chevrolet Corvette	Larry Stephens, USA		V8	GTO	15	16
DNF	28		Chevrolet Corvette	Frank Search, USA		V8	GTO	15	26
DNF	29		Chevrolet Corvette	Jeff Gardner, USA		V8	GTO	12	15
DNF	30		Chevrolet Camaro	Mark Pielsticker, USA		V8	GTO	11	40
DNF	10		Porsche 911	Tom Masterton, USA		B6	GTU	4	43
DNF	31		Chevrolet Camaro	Peter Weinhold, USA		V8	GTO	4	46
DNF	32		Porsche Carrera RSR	Al Holbert, USA	2994	B6	GTO	3	2			Engine