Porsche 911R group 6 (1967)

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Source

Chassis numbers here and here

Specifications

24 units built
305876S (R1), 306681S (R2), 307670S (R3), 307671S (R4)
Click here and here

Porsche Type 901/22

Analytical specifications and drawings

B6 (180^o) cylinder
1991cc capacity
10.3:1
SOHC, 2 valves/cyl - 12 valves total
aspiration, natural with 2 x Weber 46 IDA 3C carburetors
Power output
210 bhp / 157 KW @ 8000 rpm
152 lb/ft @ 6200 rpm

Transmission
Type	rear wheel drive	Porsche Type 901/53, 5 speed gearbox , click here and here
Gearbox ratios	1st: 2.400/1 2nd: 1.600/1 (32/20) 3rd: 1.217/1 4th: 1.000/1 5th: 0.821/1 R: 3.127/1 (16/11 x 43/20)
Diffrential ratio	4.428/1 (31/7)		spiral bevel gears limited slip rear differential
Clutch	dry single disk 225mm diameter
Chassis-body
Type	steel monocoque 911 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 285mm diameter with 2 steel piston calipers. Ventilated calipers front and rear			dual circuit with servo
Dimensions
length: 4.135 m (162.8")		width: 1.600 m (63.0")	height: 1.273 m (50.1")
wheelbase: 2.204 (86.8")		front track: 1.332 m (52.4")	rear track: 1.312 m (51.7")
Rims - tires	front 6 x 15", rear 7 x 15"
Weight	850kg
Weight/power	4.0
Fuel tank	100 lt
Drag coefficient	0.38

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Results in WSCC

1967Season

Car entry, chassis number	Car number/ result
	Dayt	Sebring	Monza	Spa	Targa Florio	Nurb	Le Man	Hock	Mugelo	Brands Hatch	CdE	Zeltweg	Ollon	Nurb
Team	24h	12h	1000km	1000km	720km	1000km	24h	304km	529km	6h	300km	500km	Hill climb	500km
Porsche System Engineering, 306 681									#30, 3rd
Total points 8									8
Statistics
Works Starts/finishes 1/1									1/1
Driver	Team entries and car number
Porsche System Engineering
Bernard Cahier									30
Jean-Claude Killy									30

1968Season

Car entry	Car number/ result
	Dayt	Sebring	Brands Hatch	Monza	Targa Florio	Nurb	Spa	Watkins Glen	Zeltweg	Le Man
Team	24h	12h	6h	1000km		1000km	1000km	6h	500km	24h
H.R.H. Engineering, 118 9 9015R	#3, 14th	#57, dns
Sport-Uniao Sintrense, 118.9.9010						#27, 24th
Sport-Uniao Sintrense						#28, in entry list
Statistics
Starts/finishes 3/2	1/1	1/0				1/1
Driver	Team entries and car number
H.R.H. Engineering
Jim McDaniel	3	57
Glen Sullivan	3	57
H.R.H. Engineering
Manuel Nogueira Pinto						27
Joao Andrade Villar						27
R. Cavagnac						28
Norman Casari						28

1969Season
Group 3 classification is noted in brackets

Car entry	Car number/ result
	Dayt	Sebring	Brands Hatch	Monza	Targa Florio	Spa	Nurb	Le Man	Watkins Glen	Zeltweg
Team	24h	12h	6h	1000km		1000km	1000km	24h	6h	1000km
Porsche AG					#240, fire
Statistics
Starts/finishes 1/1					1/1
Driver	Team entries and car number
Porsche AG
Dieter Spoerry					240
Pauli Toivonen					240

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Drawings

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Chassis

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