Porsche 911 S/T group 4 (1970)

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Source

Chassis numbers here and here and here
Porsche 915 transmission here and here

Specifications

6 units built in 1969 with a hight butterly engine
15 cars were built in 1970 with carburetor 2247cc engine
6 cars were built in 1971 with a injection 2380cc engine
23 cars (3 factory and 20 customers) were built in 1972 with a hight butterfly 2.5L engine

Click here and here
Click here and here and here for S 2.2
Click here for E 2.2
Click here for E 2.4
Click here and here and here for S 2.4
Click here and here and here for S/T

Type C/D

Homologation number	3005	3011		3025
Homologation start	1/1/1970	1/4/1970
Model	911S type C	911T type D	911E type D	911S type D
Engine Type	911/02	911/03	911/01	911/02
Displacement	2195
Compression	9.8:1	8.6:1	9.1:1	9.8:1
Valves	I46, E40
Aspiration	Bosch Kugelfischer MFI	2 x Weber 40 IDT 3C carburettors	Bosch Kugelfischer MFI
Power output	177 BHP (130 KW) @ 6500 RPM	123 bhp (92 kW) @ 5800 rpm	153 bhp (114 kW) @ 6200 rpm	177 BHP (130 KW) @ 6500 RPM
Torque	199 Nm (147 Ft-Lbs) @ 5200 rpm	176 Nm (130 ft·lb) @ 4200 rpm	191 Nm (141 ft·lb) @ 4500 rpm	199 Nm (147 Ft-Lbs) @ 5200 rpm

Type E/F

Homologation number	3011		3025	3011
Homologation start	1/1/1972
Model	911T type E	911E type E	911S type E	911T type E
Engine Type	911/51	911/52	911/53	911/57
Displacement	2341
Compression	7.5:1	8.0:1	8.5:1	7.5:1
Valves	I46, E40
Aspiration	Bosch Kugelfischer MFI			2 x Zenith 40 TIN carburetors
Power output	140 HP @ 5600 rpm	165 HP @ 6200 rpm	190 bhp (142 kW) @ 6500 rpm	130 HP @ 5600 rpm
Torque	200 Nm (148 ft·lb) @ 4000 rpm	205 Nm (151 ft·lb) @ 4500 rpm	215 Nm (158 ft lbs) @ 4000 rpm	194 Nm (144 ft·lb) @ 4000 rpm

Porsche Type 911/20

Analytical specifications and drawings

B6 (180^o) cylinder
2247cc capacity
SOHC, 2 valves/cyl - 12 valves total
aspiration, natural with Bosch "pulsed injection" D-Jetronic mechanical Fuel Injection system using Kugelfischer PL Injection pump. Click here and here
Power output
230 hp @ 7800 rpm
170 lb/ft @ 6200 rpm

Porsche Type 911/21

Analytical specifications and drawings

B6 (180^o) cylinder
2380cc capacity
SOHC, 2 valves/cyl - 12 valves total
aspiration, natural with Bosch "pulsed injection" D-Jetronic mechanical Fuel Injection system using Kugelfischer PL Injection pump. Click here and here
Power output
250 hp @ 7800 rpm
186 lb/ft @ 6200 rpm

Porsche Type 911/22

Analytical specifications and drawings

B6 (180^o) cylinder
2247cc capacity
SOHC, 2 valves/cyl - 12 valves total
aspiration, natural with 2 x Weber 46 IDA 3C carburetors
Power output
230 hp @ 7800 rpm
170 lb/ft @ 6200 rpm

Porsche Type 911/70

Analytical specifications and drawings

B6 (180^o) cylinder
2492cc capacity
SOHC, 2 valves/cyl - 12 valves total
aspiration, natural with Bosch "pulsed injection" D-Jetronic mechanical Fuel Injection system using Kugelfischer PL Injection pump. Click here and here
Power output
270hp @ 8000 rpm
192 lb/ft @ 5300 rpm

Porsche Type 911/73

Analytical specifications and drawings

B6 (180^o) cylinder
2464cc capacity
SOHC, 2 valves/cyl - 12 valves total
aspiration, natural with Bosch "pulsed injection" D-Jetronic mechanical Fuel Injection system using Kugelfischer PL Injection pump. Click here and here
Power output
275hp @ 8000 rpm
192 lb/ft @ 5300 rpm

Transmission
Type	rear wheel drive	Porsche Type 911/01, Porsche 915 (Tutorial 1, Tutorial 2), 5 speed gearbox
Gearbox ratios	1st: 3.091/1 (34/11) 2nd: 1.778/1 (32/18) 3rd: 1.217/1 (28/23) 4th: 0.926/1 (25/27) 5th: 0.759/1 (22/29) R: 3.127/1 (16/11 x 43/20)	1st: 2.643/1 (37/14) 2nd: 1.600/1 (32/20) 3rd: 1.318/1 (29/22) 4th: 1.080/1 (27/25) 5th: 0.926/1 (25/27) R: 3.127/1 (16/11 x 43/20)	915 (1972+) for 2.4 lt: 1st: 3.182/1 (35/11) 2nd: 1.778/1 (32/18) 3rd: 1.125/1 (27/24) 4th: 0.821/1 (23/28) R: 3.325/1	915 (1972+) for 2.4 lt: 1st: 3.182/1 (35/11) 2nd: 1.834/1 (33/18) 3rd: 1.261/1 (29/23) 4th: 0.962/1 (25/26) 5th: 0.759/1 (22/29) R: 3.325/1
Diffrential ratio	4.428/1 (31/7), 3.857/1 (27/7), 5.286/1 (37/7)		spiral bevel gears limited slip rear differential
Clutch	dry single disk 225mm diameter
Chassis-body
Type	steel monocoque 911 Types C/D/E/F "Long Wheel Base" chassis. 2 door coupe steel bodyshell with steel bumpers
Front suspension	mc pherson strut with lower L wishbone, longitudinal torsion bars, telescopic gas shock absorber and anti-roll bar 15mm diameter
Rear suspension	trailing arm with torsion bars, telescopic gas shock absorber and anti-roll bar 15mm diameter
Steering system	rack and pinion
Brakes	front ventilated disks 282mm diameter with 2 steel piston calipers. Rear ventilated disks 290mm diameter with 2 steel piston calipers. Ventilated calipers front and rear			dual circuit with servo
Dimensions
length: 4.163 m (163.9")		width: 1.610 m (63.4"), S/T: 1,710 mm (67.3 in)		height: 1.320 m (52.0")
wheelbase: 2.268 m (89.3")		front track: 1.378 m (54.3") S/T: 1402 mm (55.2")		rear track: 1.359 m (53.5") S/T: 1421 mm (55.9")
Rims - tires	6 x 15", S/T: front, 7 x 15", rear 9 x 15"		185/70 VR 15", S/T: front/rear, 4.75/10 - 15" / 4.30/11.6 - 15"
Weight	960 kg, f/r distribution 43% / 57%
Weight/power	4.8 kg/HP
Fuel tank	62 lt

---

Results in WSCC

1970Season
Group 4 classification is noted in brackets

Car entry, chassis number	Car number/ result
	Dayt	Sebring	Brands Hatch	Monza	Targa Florio	Spa	Nurb	Le Man	Watkins Glen	Zeltweg
Team	24h	12h	1000km	1000km		1000km	1000km	24h	6h	1000km
Porsche Club Romand (911/02)		#44, in entry list
Porsche Club Romand (911/20)				#75, acci dent in practice	#86, 44th	#59, 16th (1st)	#83, 25th (10th)	#65, gear lever		#42, dnf
Rey Racing (911/20)						#54, eng ine		#63, acci dent		#40, in entry list
Giancarlo Rondanini (911/20)				#70, 22nd (3rd)	#84, dns					#47, dnf
Racing Team AAW, 911 030 1014 (911/20)				#71, in entry list			#79, 14th (1st)	#51, in entry list
Jean Égreteaud, 911 030 0279 (911/22)				#72, in entry list	#80, in entry list			#59, eng ine
Auto Kremer (911/20)				#73, eng ine		#53, 18th (2nd)	#84, 15th (2nd)	#47, 7th (2nd)*		#46, 19th (6th)
Hans-Dieter Weigel/ Reinhardt Stenzel				#74, in entry list	#74, in entry list
André Wicky Racing Team (911/02)				#76, eng ine				#41, gear box
Patrice Sanson/ J. Claude Peramone (911/02)					#82, 28th (10th)
Oldenkott Pipe and Tobacco Racing (911/20)					#72, in entry list		#85, 16th (3rd)			#44, dnf * *
Jean-Pierre Gaban/ Willy Braillard (911/02)								#43, gear box
Claude Laurent/ Jacques Marché, 02 (911/02)								#45, OTL
Philippe Farjon								#50, in entry list
Dieter Fröhlich (911/20)								#51, dns
Automobile Club Ile de France								#52, in entry list
René Mazzia/ Pierre Mauroy, 119 300 932 (911/02)								#62, OTL
Valvoline Racing Team										#45, disqua lified
Stuttgart Sports Car Club										#50, dnf
Kurt Simonsen										#55, dnf
Total points 4								4
Statistics
Starts/finishes 29/11				4/1	3/2	3/2	4/4	8/1		7/1
Driver	Team entries and car number
Racing Team AAW
Dieter Fröhlich				71			79	51
Pauli Toivonen				71			79	51
Giancarlo Rondanini
Giancarlo Rondanini				70	84
Ennio Bonomelli				70						47
Mario Ilotte					84
Fiorenzo Genta										47
Auto Kremer / Ecurie Luxembourg
Erwin Kremer				73		53	84	47
Willy Kauhsen				73
Karl von Wendt						53
Günther Huber							84
Nicolas Koob								47
Porsche Club Romand
Claude Haldi		44		75	86	59	83	65		42
Jean Sage		44
"Mirage"				75	86
Bernard Cheneviere				76		59		63		42
Eric Chapuis							83
Arthur Blank								65
Jean Égreteaud
Jean Égreteaud				72	80			59
Marc Etchebers				72	80
Jean Mésange								59
André Wicky Racing Team
Sylvain Garant				76				41
Jean Mésange								41
Rey Racing
Jacques Rey						54		63		40
Edgar Berney						54
Jean-Marie Jacquemin										40
Oldenkott Pipe and Tobacco Racing / Peter Kersten
Clemens Schickentanz					72		85			44
Rhuben					72
Hans-Joachim Stuck							85
Werner Zanders										44
Automobile Club Ile de France
Jean-Claude Lagniez								52
Raymond Touroul								52
Valvoline Racing Team
Georg Koltay										45
Hub Hoffmann										45
Stuttgart Sports Car Club
Peter Kaiser										50
Heinz Blind										50
Kurt Simonsen
Bengt Ekberg										55
Roland Larsson										55

*Ecurie Luxembourg entry
**Peter Kersten entry

1971Season
Group 4 classification is noted in brackets

Car entry	Car number/ result
	Buenos Ayres	Dayt	Sebring	Brands Hatch	Monza	Spa	Targa Florio	Nurb	Le Man	Zeltweg	Watkins Glen
Team	1000km	24h	12h	1000km	1000km	1000km		1000km	24h	1000km	6h
Ray Walle Enterprises (911/02)		#10, 14th (7th)
Bonomelli Squadra Corse (911/21)					#48, eng ine		#39, dnf			#50, in entry list
Peter Kersten (911/20)					#49, in entry list			#87, in entry list		#43, 6th (1st)
Kremer Racing, 911 120 0497 (911/21)					#50, 12th (1st)	#46, 7th (1st)		#82, 12th (1st)	#26, 10th (4th)	#38, 10th (4th)	#70, dnt qualify
Kremer Racing (911/20)									#44, dnt qualify
Max Moritz (911/21)					#51, in entry list	#48, 17th (7th)		#79, in entry list		#41, acci dent
Scuderia Brescia Corse					#52, in entry list
Scuderia Brescia Corse (911/20)					#54, dnt qualify		#48, 29th		#48, piston
Scuderia Brescia Corse					#55, in entry list
Porsche Club Romand (911/21)							#42, 4th (1st)	#77, 13th (2nd)	#35, cam shaft	#52, 7th (2nd)
Porsche Club Romand (911/21)						#43, 11th (4th)	#47, 8th (3rd)	#78, 16th (6th)		#46, 11th (5th)
Jean-Marie Jacquemin, 911 030 0279 (911/22)					#53, in entry list	#42, in entry list			#40, eng ine
Porsche Vaud (911/21)						#45, igni tion
Jean-Pierre Gaban/ Willy Braillard (911/21)						#47, 14th (5th)
Jean-Pierre Gaban/ Willy Braillard (911/20)									#41, gear box
Jacky Dechaumel/ Jean-Claude Parot, 118 00 120 (911/22)						#50, dnf			#65, oil pressure
Scuderia Pegaso							#36, 26th
Strähle KG, 911 230 0841 (911/02)							#40, 6th (2nd)	#81, in entry list		#36, acci dent
Claude Laurent (911/02)							#41, 24th		#45, dnt qualify
Michele Licheri/ Mauro Formento (911/02)							#43, 36th
V-10 Kleber Team (911/02)							#44, 33rd	#85, dns*
Giuseppe De Gregorio/ "Rousseau" (911/02)							#45, 22nd
Ecurie Jean Sage (911/21)							#46, dns		#36, 13th (7th)
Jürgen Barth, 911 130 0683 (911/21)								#80, acci dent	#38, 8th (2nd)	#53, in entry list
Wicky Racing Team								#84, in entry list
Rallye Gemeinschaft Ulm								#86, in entry list
Leo Kinnunen/ Björn Waldegaard								#88, 16th (5th)
Matter								#90, in entry list
Rey Racing (911/21)									#33, gear box	#48, in entry list
Rey Racing (911/70)									#66, time chain
Richie Ginther Racing Inc, 911 130 1148 (911/21)									#34, oil pipe
Pierre Mauroy, 119 300 932 (911/21)									#37, gear box	#49, dnt qualify
A.G.A.C.I. (911/20)									#39, 11th (5th)
Jean Mésange/ "Gedehem" (911/20)									#42, 9th (3rd)
The Paul Watson Race Organisation, 911 130 1270 (911/21)									#44, 12th (6th)
The Paul Watson Race Organisation (911/21)									#64, in entry list
The Paul Watson Race Organisation, 118 20 884 (T 911/03)									#68, acci dent in practice
ASA Cachia Bundi (911/21)									#63, 6th (1st)
Rolf Götz/ Gerhard Denu										#42, in entry list
Total points 30						4	15		11
Statistics
Works Starts/finishes 54/31		1/1			3/1	6/4	11/9	6/4	19/7	7/4	1/0
Driver	Team entries and car number
Ray Walle Enterprises
Ray Walle		10
Michael Sherwin		10
Bonomelli Squadra Corse
Ennio Bonomelli					48		39			50
Christine Beckers					48		39
Peter Kersten
Clemens Schickentanz					49			87		43
Peter Kersten										43
Kremer Racing
Günther Huber					50	46			26
Erwin Kremer					50	46		82	26	38	70
Jürgen Neuhaus								82
Nicolas Koob									26
Claude Buchet									64
Jean-Paul Agére									64
Rudi Lins										38
Dick Durant											70
Max Moritz
Klaus Utz					51	48		79		41
Rolf Göring					51	48		79		41
Scuderia Brescia Corse
"Pooky"					52, 55
Raffaello Ciarpaglini					52, 54
Mario Ilotte					54		48		48
Fausto de Nobili					55
Luigi Colzani					55
Maurizio Polin							48
Jean-Pierre Hanrioud									48
Jean-Marie Jacquemin
Jean-Marie Jacquemin					53	42			40
Jean Égreteaud						42			40
Rey Racing
Jacques Rey					53				33	48
Jean-Pierre Cassegrain									33	48
Claude Mathurin									66
Porsche Club Romand
Pierre Greub						43	47	78	35	46
Jean-Claude Guérie						43		78	66	46
Sylvain Garant							47		35
Bernard Cheneviere						45	42		36
Paul Keller							42	77		52
Claude Haldi								77		52
Porsche Vaud
Charly Cuénoud						45
Ecurie Jean Sage
Jean Sage							46		36
"Volpes"							46
Björn Waldegaard								88	36
Jürgen Barth
Jürgen Barth								80	38	53
Aake Andersson								80		53
René Mazzia									38
Scuderia Pegaso
Ignazio Serse							36
Giuseppe Pizzo							36
Strähle KG
Giulio Pucci							40			36
Dieter Schmid							40
Roland Bauer								81		36
Claude Laurent
Patrice Sanson							41
Jacques Marché							41		45
Claude Laurent									45
V-10 Kleber Team / Comet Saemerein
Ferdi Bökmann							44	85
Peter Ochs							44
Rolf Kienen								85
Wicky Racing Team
Jean Selz								84
Jacques Cochet								84
Rallye Gemeinschaft Ulm
Klaus Rang								86
Matter
Reinhardt Stenzel								90
Gerold Pankl								90
Richie Ginther Racing Inc
Alan Johnson									34
Elliot Forbes-Robinson									34
A.G.A.C.I.
Guy Verrier									39
Gérard Foucault									39
The Paul Watson Race Organisation
Richard Bond									44
Paul Vestey									44
John Chatham									68
Mike Coombe									68
ASA Cachia Bundi
Raymond Touroul									63	49
André Anselme									63
Pierre Mauroy									37	49
Jean-Claude Lagniez									37

*Comet Saemerein entry

1972Season
Group 4 classification is noted in brackets

Car entry, chassis number	Car number/ result
	Buenos Ayres	Dayt	Sebring	Brands Hatch	Monza	Spa	Targa Florio	Nurb	Le Man	Zeltweg	Watkins Glen
Team	1000km	6h	12h	1000km	1000km	1000km		1000km	24h	1000km	6h
Toad Hall Racing (911/70)			#15, oil leak							#38, in entry list	#16, 7th (2nd)
Toad Hall Racing (911/70)		#16, dnf	#16, eng ine
Toad Hall Racing (911/21)								#65, 13th (6th)
Porsche Kremer Team, 911 230 1417 (911/70)								#56, 22nd
Porsche Kremer Team, 911 120 0497 (911/70)		#28, dnf	#28, 12th (7th)			#55, 8th (2nd)	#24, in entry list		#80, crank shaft	#37, 13th (2nd)
Porsche Kremer Team (911/70)						#55T, spare car
Porsche Kremer Team, 911 120 0497 (911/21)					#56, dnt qualify			#55, 9th (3rd)
Northlake Porsche Audi Inc (911/70)		#40, dnf
Brumos Porsche Audi Corp (911/21)		#59, 7th (1st)	#59, 5th (2nd)
Brumos Porsche Audi Corp, 911 030 1263 (911/02)											#59, eng ine
James Locke (911/21)		#61, 10th (3rd)	#61, acci dent
James Locke (911/70)											#61, oil leak
Willie Braillard/ Teddy Pilette (911/70)			#36, in entry list
Kirill Racing (911/70)			#41, 14th (9th)
Jean Sage (911/70)			#65, in entry list						#78, dns
Gelo Racing Team, 911 230 0955/11 (911/73)					#46, dnt qualify	#50, in entry list		#61, dnt qualify	#44, eng ine	#40, in entry list
Gelo Racing Team (911/70)								#62, dnt qualify		#39, in entry list
Kuberol Racing (911/70)					#48, dnt qualify			#71, dnt qualify		#32, OTL
Kuberol Racing (911/70)								#73, dnt qualify
Ennio Bonomelli (911/21)					#49, dnt qualify		#26, dns
Scuderia Brescia Corse (911/21)					#51, dnt qualify		#29, 21st
Peter Kersten-Dahl-Kanal Racing, 911 230 0908/06 (911/73)					#52, dnt qualify	#54, dnf				#41, dns
Porsche Club Romand (911/21)					#53, dnt qualify		#22, tires	#67, 21st
Porsche Club Romand (911/21)					#54, dnt qualify		#23, 10th (4th)	#68, dnt qualify
Porsche Club Romand (911/21)							#31, gear box	#69, dnt qualify
Porsche Club Romand (911/21)							#23T, spare car
Porsche Club Romand (911/70)						#46, in entry list			#42, head gasket	#33, in entry list
Porsche Club Romand (911/70)						#47, eng ine				#34, in entry list
Porsche Club Romand (911/70)						#48, in entry list				#35, in entry list
Liqui-Moly (911/21)					#55, dnt qualify		#28, gear box
Liqui-Moly, 911 230 0818/03 (911/73)						#53, 13th (5th)		#58, dnt qualify		#31, dnt qualify
Nettuno					#57, dnt qualify
Schiller Racing, 911 230 0872/05 (911/73)					#58, dnt qualify		#27, mecha nical
Willi Nolte/ Jürgen Barth, 911 130 0683 (911/70)										#36, crank shaft
Nordheim Porsche, 911 230 0910/08 (911/73)						#51, in entry list
Nordheim Porsche, 911 230 0910/08 (911/73)						#52, 11th (4th)		#72, dnf
Louis Meznarie, 911 010 1605 (2.7-290 HP)						#41, in entry list			#41, 13th (6th)
Strähle KG, 911 230 0841 (911/21)							#25, 6th (2nd)	#70, 10th (3rd)
Scuderia Pegaso (911/21)							#30, dns
Girolamo Capra/ Angelino Lepri, 911 130 0721 (911/21)							#32, 17th (9th)
André Wicky Racing Team (911/70)								#54, dnt qualify	#51, dnt qualify
Anton Fischhaber/ Leopold von Bayern, 911 230 1195/17 (911/73)								#57, 14th (7th)
Hannen Alt Racing (911/21)								#59, dnt qualify
Roesrath (911/21)								#63, 12th (5th)
Aake Andersson (911/21)								#66, dnt qualify
René Mazzia (911/70)									#40, eng ine
Jean Mesange/ "Gedehem" (911/70)									#43, dns
Raymond Touroul/ Dominique Bardini/ "Lee Banner", 119 300 932 (911/70)									#45, crank shaft
Robert Buchet									#75, in entry list
Jean-Pierre Gaban (911/53)									#79, gear box
Formel Rennsport Club, Zurich (911/70)										#42, dnt qualify
Ecurie Escargot, 911 230 0921/09 (911/73)											#43, 8th (3rd)
Total points 30		5	6			3	6	3			7
Statistics
Works Starts/finishes 74/23		5/2	6/3		10/0	5/3	10/4	18/7	10/1	6/1	4/2
Driver	Team entries and car number
Toad Hall Racing
Michael Keyser		16	16				23, 23T	65	41	38	16
Bob Beasley		16									16
Jürgen Barth			15			41	23, 23T	65	41	36, 38
Bill Bean			15
Levon Pentecost		40	16
Porsche Kremer Team
Erwin Kremer		28	28		56	55	24	55	80	37
Günther Huber		28	28
Juan Carlos Bolanos			28
John Fitzpatrick					56	55, 55T	24	55	80	37
Franz-Josef Rieder								56
Hans-Werner Brohl								56
Northlake Porsche Audi Inc
Anthony Torgersen		40
Brumos Porsche Audi Corp
Hurley Haywood		59	59								59
Peter Gregg		59	59								59
James Locke
Jim Locke		61	61								61
Bob Bailey		61	61								61
Kirill Racing
Peter Kirill			41
Russ Norburn			41
Jean Sage
Jean Sage			65						61, 78
Gelo Racing Team
Georg Loos					46	50		61	61	40
Franz Pesch					46	50		62	61	39
Kuberol Racing
Roland Larsson					48			71, 73		32
Bengt Ekberg					48			73		32
Kurt Simonsen					48			71
Ennio Bonomelli
Ennio Bonomelli					49		26
Pino Pica					49
Everardo Ostini							26
Scuderia Brescia Corse
Guido Fossati					51		29
Piero Monticone					51		29
Peter Kersten / Dahl-Kanal Racing
Clemens Schickentanz					52	54				41
Willy Kauhsen					52					41
Günter Steckkönig						54
Porsche Club Romand
Paul Keller					53				42
Claude Haldi			65		53, 54	47	22	67	42	35
"Gedehem"					53		31	69	42
Bernard Cheneviere					54	46, 47	22	67		33
Pierre Greub						48		68	78	34
Raymond Pochet							31
Liqui-Moly
Eberhard Sindel					55	53	28	58		31
Klaus Rang					55	53	28	58		31
Nettuno
Sergio Mingotti					57
Sergio Demetrio					57
Schiller Racing
Florian Vetsch					58		27
Jean Selz					58		27
Louis Meznarie
Sylvain Garant						41			41
Strähle KG
Günter Steckkönig							25	70
Giulio Pucci							25
Dieter Schmid								70
Scuderia Pegaso
Libero Marchiolo							30
Sergio Mingotti							30
André Wicky Racing Team
Jean-Pierre Aeschlimann								54	51
Juan Diez								54	51
Hannen Alt Racing
Siegfried Müllers								59
Hans-Peter Ziegler								59
Nordheim Porsche
Werner Christmann						51, 52
Willi Nolte						51
Hans Heyer						52
Dieter Fröhlich								72
Willi Nolte								72
René Mazzia
Pierre Mauroy									40
Marcel Mignot									40
Robert Buchet
Guy Gentis									75
Jean-Pierre Bodin									75
Jean-Pierre Gaban
Hermes Delbar									79
Roger Vanderschrieck									79
Formel Rennsport Club, Zurich
Gregory Fischer										42
Max Müller										42
Ecurie Escargot
John O'Steen											43
Dave Helmick											43

1973Season
Group 4 classification is noted in brackets

Car entry, chassis number	Car number/ result
	Dayt	Vallel	Dijon	Monza	Spa	Targa Florio	Nurb	Le Man	Zeltweg	Watkins Glen
Team	24h	6h	1000km	1000km	1000km		1000km	24h	1000km	6h
Toad Hall Motor Racing (911/70)	#15, 8th (7th)
Locke Development Corporation (911/70)	#31, dnf									#31, dnt qualify
Dave Helmick/ John O'Steen/ Stephen Behr, 911 230 0921/09 (911/73)	#43, 11th (10th)
Airport Motorsport (911/70)	#51, 14th (12th)
Porsche Kremer Racing, 911 250 0335 (911/70)	#54, 6th (5th)
Joest Racing (911/70)	#56, 9th (8th)
Brumos Porsche, 911 030 1263 (911/21)	#58, dnf
Silverstone Racing, 911 230 1687/20 (911/73)	#77, 4th (2nd)
Holbert Porsche (911/70)	#89, dnf									#92, dnt qualify
Diego Febles/ Horacio Alvarez (911/70)	#99, dnf
Spartaco Dini		#35, in entry list
Grandet ORECA					#49, in entry list
Guido Fossati/ Angelo Mola, (911/21)						#109, 14th (5th)
Marco Micangeli/ Mario Radicella (911/21)						#111, dnf
Salvatore Patamia/ "Carab" (911/21)						#114, dnf
Toni Fischhaber/ Leopold von Bayern, 911 230 1195 (911/83R)							#49, 14th (6th)
Lothar Wagner/ Eckard Babendererde (911/21)							#51, 19th (10th)
Schiller Racing Team, 911 230 0872/05 (911/73)								#41, 16th (9th)
Claude Buchet/ Dominique Thiry/ Jean-Paul Agére 2850cc								#80, in entry list
Johnson-Bozzani Porsche-Audi, 911 230 0921 (911/21)										#51, in entry list
Hans Niederer/ Francis Larkin (911/21)										#97, dnt qualify
Total points 17	17
Statistics
Works Starts/finishes 19/10	10/6					3/1	2/2	1/1		3/0
Driver	Team entries and car number
Toad Hall Motor Racing
Michael Keyser	15
Tony Adamowicz	15
Bob Beasley	15
Locke Development Corporation
Jim Locke	31
Bob Bailey	31
Airport Motorsport
Klaus Selbert	51
W. Marvin Schoenfeld	51
Bob Klempel	51
Porsche Kremer Racing
John Fitzpatrick	54
Erwin Kremer	54
Paul Keller	54
Joest Racing
Sepp Greger	56
Kurt Hild	56
Dieter Schmid	56
Brumos Porsche
Andrew Carduner	58
Jacques Bienvenue	58
Silverstone Racing
George Stone	77
Bruce Jennings	77
Mike Downs	77
Holbert Porsche
Mike Tillson	89
Al Holbert	89
Dieter Oest	89
Grandet ORECA
Cyril Grandet					49
Schiller Racing Team
Jean Selz								41
Florian Vetsch								41
Johnson-Bozzani Porsche-Audi
John Hotchkis										51
Robert Kirby										51

1974Season

Car entry, chassis number	Car number/ result
	Monza	Spa	Nurb	Imola	Le Man	Zeltweg	Watkins Glen	Le Castellet	Brands Hatch	Kyalami
Team	1000km	1000km	1000km	1000km	24h	1000km	6h	1000km	1000km	6h
Opal Lubrifiants (SE)					#60, in entry list
ASA Cachia					#63, in entry list
Statistics
Works Starts/finishes 0/0
Driver	Team entries and car number
Opal Lubrifiants
Denis Rua					60
Pierre Laffeach					60
Jean-Francois Jaunet					60
Jean Ortelli					60

1975Season
Group 4 and GTU (GT under 2.5 lt in Daytona) classification is noted in brackets
911/21 engine

Car entry, chassis number	Car number/ result
	Dayt	Mugelo	Dijon	Monza	Spa	Pergusa	Nurb	Zeltweg	Watkins Glen
Team	24h	1000km	800km	1000km	1000km	1000km	1000km	1000km	6h
Bill Bean/ Paul Spruell, 911 030 1263 (911/02)	#16, dnf
George Drolsom/ Bob Nagel	#34, 13th (2nd)
Delta Racing	#44, 16th (4th)
Delta Racing	#45, 23rd (6th)
Brandt Doell	#52, dns
Rusty Bond/ George Rollin/ John Belperche	#60, 10th (1st)
Klaus Selbert/ David Biggs	#84, dnf
Barrick Motor Racing	#89, dnf
Weiss Motor Racing									#28, oil pipe
Total points 1	1
Statistics
Works Starts/finishes 9/4	8/4								1/0
Driver	Team entries and car number
Delta Racing
John Freyre	44
Albert Naon	44
Tony Garcia	44
Armando Ramirez	45
Camilo Mutiz	45
Juan Montalvo	45
Mandy Alvarez	45
Brandt Doell
Bob Punch	52
John Rulon-Miller	52
Tom Waugh	52
Barrick Motor Racing
Don Parish	89
Tom Countryman	89
Jim Secher	89
Weiss Motor Racing
Richard Weiss									28
Jerry Karl									28

1976Season
Group 4 classification is noted in brackets
911/70 engine

Car entry	Car number/ result
	Mugello	Valle lunga	Silver stone	Nurb	Zeltweg	Watkins Glen	Dijon
Team	6h	6h	6h	1000km	6h	6h	6h
Bruce Jennings/ Bill Bean						#77, 15th
Georges Bourdillat/ Joël Laplacette							#43, 15th (2nd)
Statistics
Works Starts/finishes 2/2						1/1	1/1

1977Season
Group 4 classification is noted in brackets
911/70 engine

Car entry	Car number/ result
	Daytona	Mugello	Silver stone	Nurb	Watkins Glen	Mosport	Brands Hatch	Hocke nheim	Valle lunga
Team	24h	6h	6h	1000km	6h	6h	6h	6h	6h
Sports Ltd. Racing	#01, dnf
Pedro Vazquez/ Jorge DeCardenas/ Bertin Garcia	#5, in entry list
Charles Mendez/ Dave Cowart/ Dave Panaccione (T)	#07, 9th (7th)
Foreign Exchange	#10, 20th
SVD Automotive	#27, 12th (10th)
Richard Weiss/ Bill Alsup/ Raymond Gage	#28, 8th (6th)
Ara Dube/ Harro Zitza/ Joe Castellano	#33, 21st
Drolsom Racing	#34, dnf
Bob Hindson/ Frank Carney/ Dick Davenport, 911 230 0032	#42, 7th (5th)
Rusty Bond/ Ren Tilton/ John Thomas	#60, 11th (9th)
Foreign Exchange	#71, 15th (13th)
Sesto Corse		#19, in entry list
Odoardo Govoni/ Vincenzo Angelelli		#22, 11th (7th)							#21, in entry list
Bruce Jennings/ Bill Bean					#74, 16th
Bill Scott Racing (SC)					#83, body
Total points 9	9
Statistics
Works Starts/finishes 14/11	10/8	1/1			3/1
Driver	Team entries and car number
Sports Ltd. Racing
Bob Bergstrom	01
Jim Cook	01
Foreign Exchange
M. L. Speer	10
Windle Turley	10
Hal Sahlman	10
SVD Automotive
Jack Refenning	27
Ray Mummery	27
Ralph Noseda	27
Drolsom Racing
Tom Bagley	34
George Drolsom	34
Foreign Exchange
John Higgins	71
Chip Mead	71
Dave White	71
Sesto Corse
Enrico Grasso	19
"Gimax"	19
Weiss Racing
Dick Weiss	34				74
Bill Wolfe					74
Bill Scott Racing
Bill Scott	34				83
Joe Colontonio					83

1978Season
Group GTU classification is noted in brackets
911/70 engine

Car entry	Car number/ result
	Daytona	Mugello	Dijon	Silver stone	Nurb	Misano	Watkins Glen	Valle lunga
Team	24h	6h	6h	6h	1000km	6h	6h	6h
Roehrig Racing Inc (SC)	#01, 11th (4th)
Terry Wolters/ Jack Refenning/ Ray Mummery, 911 030 1263 (SC)	#08, 14th (6th)
Music City Racing (E0)	#22, 21st (11th)
Richard Weiss/ Bill Alsup/ Bill Follmer	#29, 18th (9th)
Drolsom Racing	#34, 12th (5th)
Case Racing, 1290486	#36, 28th
Wynn's International (SC)	#51, eng ine
R & R Racing (SC)	#60, 17th (8th)
Race Car	#70, in entry list
Bill Scott (SC)	#71, disqua lified
Z & W Enterprises							#74, acci dent
Quality Inn	#76, dnf
Pedro Vazquez/ Ron Oyler/ Joseph Hamilton/ Gunter Hamilton/ Gunter Seipolt	#87, dnf
Hamilton House Racing (SC)	#88, dnt qualify						#88, acci dent
Weisberg-Gelo-Team (SC)					#42, dns
Jacques Bienvenue/ Marcel Talbot							#50, in entry list
Bruce Jennings/ John O'Steen							#77, 13th
Statistics
Works Starts/finishes 15/8	12/7				1/0		2/1
Driver	Team entries and car number
Roehrig Racing Inc
J. Dana Roehrig	01
Gary Mesnick	01
Dave White	01
Music City Racing
Bill Harriss	22
Volker Bruckmann	22
Drolsom Racing
George Drolsom	34
Hugh Davenport	34
Mark Greb	34
Case Racing
Ron Case	36
Dave Panaccione	36
Wynn's International
John Hotchkis	51
Robert Kirby	51
Dennis Aase	51
R & R Racing
John Thomas	60
Ren Tilton	60
Rusty Bond	60
Race Car
M. L. Speer	70
Windle Turley	70
Bobby Hillin	70
Steve Anderson	70
Bill Scott
Francisco Romero	71
Ernesto Soto	71
Hardie Beloff	71
Z & W Enterprises
Bill Scott							74
Pierre Honegger							74
David Weir							74
Quality Inn
Frank Thomas	76
Lee Mueller	76
Logan Blackburn	76
Hamilton House Racing
Joseph Hamilton	88						88
Chuck Wade	88						88
Marty Hinze	88
Ron Collins							88
Weisberg-Gelo-Team
Karl Kammerhuber					42
Axel Felder					42
Peter Döring					42

1979Season
Group GTU classification is noted in brackets
911/70 engine

Car entry	Car number/ result
	Daytona	Mugello	Dijon	Silver stone	Nurb	Pergusa	Watkins Glen	Brands Hatch	Valle lunga
Team	24h	6h	6h	6h	1000km	6h	6h	6h	6h
D. R. Racing (SC)	#01, dnf
Southern Racing Ent, 911 030 1263 (SC)	#08, 21st
Miami Auto Racing	#27, 16th
Hiram Cruz/ Juan Lopez/ Mandy Gonzalez	#31, in entry list
Peter Welter (SC)	#33, 13th
Drolsom Racing	#34, 22nd
Case Racing, 1290486	#36, dnf
Bullwinkele Racing, Inc, 119 220 830 -> 911 410 1035	#42, 20th
Sud Porsche Racing	#44, in entry list
E. J. Pruitt & Sons (SC)	#60, 7th
Bill Scott Racing (SC)	#71, dnf
Mike Ramirez	#75, 11th
Hamilton House Racing (SC)	#89, dnf						#83, in entry list
Bruce Jennings							#77, 18th
Total points 4	4
Statistics
Works Starts/finishes 12/8	11/7						1/1
Driver	Team entries and car number
D. R. Racing
Dave White	01
J. Kurt Roehrig	01
John Hamilton	01
Southern Racing Ent
Terry Wolters	08
Nort Northam	08
Richard Weiss	08
Miami Auto Racing
Ray Mummery	27
Tom Sheehy	27
Luis Sereix	27
Peter Welter
Peter Welter	33
Richard Aten	33
Jack Refenning	33
Drolsom Racing
George Drolsom	34
Mark Greb	34
John Maffucci	34
Case Racing
Ron Case	36
Dave Panaccione	36
Bullwinkele Racing, Inc - Bruce Jennings
Tom Ashby	42
Bill Bean	42						77
Bob Beasley	42						77
Bruce Jennings							77
Sud Porsche Racing
Kent Murry	44
George Van Arsdale	44
Richard Weiss	44
E. J. Pruitt & Sons
Rusty Bond	60
Ren Tilton	60
Mike Ramirez
Mike Ramirez	71
Manuel Villa	71
Luis Gordillo	71
Bill Scott Racing
Bill Scott	75
Mark Hutchins	75
Pierre Honegger	75
Hamilton House Racing
Joseph Hamilton	89						83
Rob Hoskins	89
Herb Forrest	89
Robert Overby							83

1980Season
Group GTU classification is noted in brackets
911/70 engine

Car entry	Car number/ result
	Daytona	Brands Hatch	Mugello	Monza	Silver stone	Nurb	Le Mans	Watkins Glen	Mosport	Valle lunga	Dijon
Team	24h	6h	6h	1000km	6h	6h	24h	6h	6h	6h	1000km
Intrepid, Inc (SC)	#06, OTL
Moran Construction, 911 030 1263 (SC)	#08, OTL
A-10 Racing (SC)	#33, dnt qualify
Drolsom Racing	#34, in entry list								#34, clutch
Case Racing, 1290486	#36, in entry list
Bob Gregg/ Len Jones/ Joe Varde	#45, in entry list
Snowmobile Racing	#52, acci dent
Mike Ramirez Racing (SC)	#95, eng ine
Fritz Hochreuter/ Rainer Brezinka/ Norm Ridgely (3.0)									#50, 15th (6th)
Alan Johnson Racing (SC)									#64, dns
Statistics
Works Starts/finishes 8/1	5/0								3/1
Driver	Team entries and car number
Intrepid, Inc
Joe DiBattista	06
Tom Ciccone	06
Alan Howes	06
Moran Construction
M. L. Speer	08
Ray Ratcliff	08
Terry Wolters	08
A-10 Racing
Richard Aten	33
Peter Welter	33
Jack Refenning	33
Drolsom Racing
George Drolsom	34								34
G. H. Sharp	34
Fred Clark	34
Hugh Davenport									34
Case Racing
Ron Case	36
Dave Panaccione	36
Snowmobile Racing
Joseph Hamilton	52
Tom Cripe	52
Fred Snow	52
Mike Ramirez Racing
Mike Ramirez	95
Manuel Villa	95
Luis Gordillo	95
Alan Johnson Racing
Alan Johnson									64
Dennis Aase									64

1981Season
Group GTU classification is noted in brackets
911/70 engine

Car entry, chassis number	Car number/ result
	Day tona	Seb ring	Mug ello	Monza	River side	Silver stone	Nurb	Le Mans	Perg usa	Watkins Glen	Mos port	Road Ame rica	Brands Hatch
Team	24h	12h	6h	1000km	6h	6h	1000km	24h	6h	6h	6h	500mil	1000km
Case Racing	#38, gear box	#38, acci dent
Beach Ball Racing	#52, OTL	#52, OTL
Klaus Bitterauf/ James Moxley/ Jim Leo	#89, dns	#88, OTL
The Foreign Exchange		#39, OTL
Pennzoil of Puerto Rico (SC)		#67, 11th (6th)
Bruce R. Jennings/ Bill Bean/ Tom Ashby		#77, 22nd (16th)
Richard Woodbury/ Bruce Campbell					#17, OTL
Zvonimir Jovanovic/ Carl Wong					#24, dnf
Fatcola					#39, dnf
Alan Johnson Racing (SC)					#64, in entry list
Bear Gulch Racing					#71, dns
Douglas Dowden					#73, dnf
Stephen Lax Racing										#23, disqu alified	#21, fatal acci dent
George Hulse/ Bob Speakman										#74, suspe nsion
Hi-Fi Express											#73, dnf
Statistics
Works Starts/finishes 18/2	3/0	6/2			5/0					2/0	2/0
Driver	Team entries and car number
Case Racing
Ron Case	38	38
Dave Panaccione	38
Ren Tilton	38
Ray Mummery		38
Jack Rynerson		38
Beach Ball Racing / Ours & Hours Racing
Tom Cripe	52	52
Dick Gauthier	52
Jack Swanson	52	52
Van McDonald		52
The Foreign Exchange
John Higgins		39
Chip Mead		39
Bill Johnson		39
Pennzoil of Puerto Rico
Mike Ramirez		67
Luis Gordillo		67
Manuel Villa		67
Fatcola
Greg LaCava					39
Claudia LaCava					39
Alan Johnson Racing
Dennis Aase					64
Bear Gulch Racing
Bobbee Nylander					71
Gary Nylander					71
Douglas Dowden
Jerry Demele					73
Terry Herman					73
Stephen Lax Racing
Stephen Lax										23	21
Herman Lausberg										23	21
Peter Moennick											21
Hi-Fi Express
Rick Bye											73
Uli Bieri											73

---

Results in WRC

Races

Works team: Porsche System Engineering

1970Season

Entry		Rally event
Driver Codriver	Team	M.C	SVE Entry list	S.R	KEN	A	GRE	RAC entry list
Björn Waldegård 2247 Lars Helmér/ Lars Nyström	works	1st	1st			1st	connecting rod	gear box
Åke Andersson 2247 Bo Thorszelius	works	4th	wheel bearing			eng ine	connecting rod	gear box
Gérard Larrousse 2247 Mike Wood	works	2nd						6th
Hans-Joachim Walter Horst Rack		12th
Jerry Larsson Lars Lundblad			5th					gear box
Sobiesław Zasada Marek Wachowski					dnf
Klaus Russling Eggenberger	ARBO MSC Seeboden					10th
Surtmann Walter (T) Schmiedt Fritz	Hella Racing Team					16th
Pöltinger Walter Hartinger Johan-Hans	Bosch Racing Team Wien					acci dent
Dan Margulies Kevin Gormley								?
Total points ()	58	26	16			11		5
Statistics
Others starts/finishes	20/10	4/4	3/2		1/0	5/3	2/0	5/1

Works in Rally Sweden: Svenska VW AB

1971Season

Entry		Rally event
Driver Codriver	Team	M.C	SVE Entry list	S.R	KEN	MAR	A	GRE	RAC Entry list
Björn Waldegård 2380 Lars Helmér/ Lars Nyström	works		4th		acci dent				2nd
Åke Andersson 2380 Bo Thorszelius	works		6th		dnf
Rudi Eberhardt 2195 K. Haase		14th
Hans-Joachim Walter 2247 Werner Lier		23rd
Guy Chasseuil 2195 Christian Baron		gear box
Claude Haldi 2247 Savary		dnf
Horst Rack 2195 Gr3 Kohler		dnf
Teves 2195 Mullers		dnf
Detlef Mühleck 2195 Zaptal		dnf
Gedehem 2195 Gr3 Laverse		dnf
J. Huslman 2195 Gr3 Y. Michielsen		dnf
Torredemer 2195 Rosal		dnf
Branche 2195 Dubois		dnf
Lier 2195 Davagnier		dnf
Jerry Larsson Claes Billstam			?
Donatella Tominz 'Squaw'				dnf
Sobiesław Zasada 2380 Marian Bień	Porsche				5th
Raymond Touroul Jean-Louis Gama						5th
Günther Janger Hans Siebert							suspe nsion
Terry Hunter Michael Butler									?
Dan Margulies Graham Marlow									?
Total points ()	33		12		6	6			9
Statistics
Others starts/finishes	25/7	14/2	2/2	1/0	3/1	1/1	1/0		3/1

1972Season

Entry		Rally event
Driver Codriver	Team	M.C	SVE	KEN	MAR	GRE	A	S.R	USA	RAC Entry list
Gérard Larrousse 2492 Claude Perramond		2nd
Claude Haldi 2492 Paul Keller		13th
Il Pilota 2195 Gr3 Alberto Brambilla		17th
Björn Waldegård 2492 Hans Thorszelius/ Fergus Sager		acci dent	2nd			eng ine				dnf
Vetch 2195 Gr3 Olivier		eng ine
Ferrero 2195		dnf
Campagne 2380 Licherl		dnf
Torrademar 2247 Rosal		dnf
Labaunte 2195 Gr3 Mautis		dnf
Adahto (T) 2195 Gr3 Tchino		dnf
Date Plane 2195 Illote		dnf
Celerier 2195 Gr3 Sigrand		39th
Weissen (E) 2195 Gr3 Weissen		37th
Lier 2195 Gr3 Greger		35th
Sobiesław Zasada 2380 Marian Bień				2nd
Erich Haberl Johann Fritz							5th
Thomas Hadley JohMark Birkhill										71st
Manfred Gudladt Manfred Gronau										dnf
Total points ()	33	9	9	9			6
Statistics
Others starts/finishes	21/10	14/6	1/1	1/1		1/0	1/1			3/1

1973Season

Entry		Rally event
Driver Codriver	Team	M.C	SVE	POR	KEN	MAR	GRE	POL	FIN	A	S.R	USA	RAC Entry list	TdC
Hans-Joachim Walter 2466 Werner Lier		dnf
Manfred Gudladt 2341 Gr3 Eckhord Erbach		dnf
Jean-Claude Lefebvre 2195 Gr3 G. Gigic		dnf
Gedehem 2341 Gr3 Vincent Loverne		dnf												8th
Datlef Muhleck 2492 Siegfried Zepfel		dnf
Horst Rack 2341 Gr3 Helmut Kohler		dnf
Michele Di Gioia 2341 Luigi Mastrorosa		dnf
Reiner Altenheimer (E) 2195 Willi Schleim		dnf
Carlo Tarmene 2195 Gr3 Tristano Tormene		dnf
Ruggero Porpinelli 2195 Gr3 Roberto Bauce		dnf
Urban Schmitz-Lenders 2341 Bernd Von Bergmann		dnf
Cristiano Guasti 2195 Gr3 Carlo Farrino		dnf
Jose Antonio Orbea 2341 Gr3 J. L. Urionda Urbino		dnf
Jurgen Klanz 2341 Werner Schuh		dnf
Carsten Johansson 2195 Gr3 Nils Hogen		dnf
Gorges Branche Jeon 2341 Gr3 Mme Marie Branche		dnf
Malcolm Harvey Ross C. L. Newman													dnf
Total points ()	3													3
Statistics
Others starts/finishes	18/1	16/0											1/0	1/1

1976

Season

911/83 engine, Type F chassis

Entry		Rally event
Driver Codriver	Team	MC	SVE Entry list	POR	KEN	GRE	MAR	FIN	S.R	TdC	RAC
Bruno Menin Franco Ottaviano		dnf
Statistics
Others starts/finishes	1/0	1/0

1977Season

Entry		Rally event
Driver Codriver	Team	MC	SVE Entry list	POR	KEN	S.P	GRE	FIN	CAN	S.R	TdC	RAC
Americo Nunes Mira Amaral				9th
Total points ()	2			2
Statistics
Others starts/finishes	1/1			1/1

---

Source
Gérard Larrousse in Monte Carlo '70
Source
Åke Andersson in Swedish rally '71
Source
Nürburgring '70
Source
Zeltweg '71
Source
Nurburgring '71
Source
Daytona '72
Source
S 2.4
Source
S 2.4 street version
Source

Drawings

Source

Electrics

Source
Source
Source
Source