
Home » Racing Sports Cars » Porsche 911 SC

Chassis numbers here and here and here and here and here
Carrera 3.0 registry
Porsche 915 transmission here and here
Also called Porsche 954 SC RS in 1984
SC means 'Super Carrera'
Specifications
Production data
Coupe: 2566 units built
Targa: 1125 units built
'84 SC RS: 21 units built
Click here
Click here for 2.7
Click here for S 2.7
Click here for SC 3.0 Type J 1977
Click here and here and here and here and here for SC 3.0 '78
Click here and here for Carrera 3.0 '78
Click here and here and here for 954 '84 street version
Click here and here and here for '84 group B Rally car
Homologation number | 3062 and transfer group B | B207 | ||||
Homologation start | 1/2/1974 | 1978 | 1980 | 1/3/1982 | 1984 | |
Model | 911 SC type G | 911 SC type L | 911 SC type A | 911 SC type B | 911 SC RS | |
Engine Type | 911/83 | 930/ 03, 04, 05, 06, 13, 15 | 930/ 07, 08, 09 | 930/10 | 930/18 | |
Displacement | 2687 | 2994 | ||||
Compression | 8.5:1 | 8.5:1 | 8.6:1 | 9.8:1 | 10.3:1 | |
Valves | I46, E40 | I49, E41.5 | ||||
Aspiration | CIS K-jetronic MFI | Bosch Mechanical Injection | ||||
Power output | 210 hp / 154 kW @ 6300rpm | 180 hp @ 5500rpm | 188 hp / 138 kW @ 5500rpm | 204 hp / 150 kW @ 5900rpm | 250 hp / 184 kW @ 7000 rpm | |
Torque | 255 Nm / 188 ft·lb / 26 kgm @5100 rpm | 165 lb/ft @ 4200rpm | 265 Nm / 195 ft·lb / 27 kgm @ 4100 rpm | 267 Nm / 197 ft·lb / 27.2 kgm @ 4300 rpm | 250 Nm / 184 ft·lb / 25.5 kgm @ 6500 rpm |
Engine | ||||
---|---|---|---|---|
Type | Porsche Type 930/18, boxer 6 cyl (180o), 4 stroke, petrol engine | located longitudinally behind rear axle | ||
Capacity | 2994cc | |||
Bore x Stroke (mm) | 95.0 x 70.4 mm | |||
Compression ratio | 10.3:1 | |||
Output power - torgue | 280 bhp / 206 kW @ 7000 rpm 300 bhp / 221 kW @ 8000 rpm |
250 Nm (184 lb/ft) @ 6500 rpm | ||
Main bearings | forged steel crankshaft with 8 plain main bearings 57mm diameter, 52mm big end journal diameter | titanium connecting rods, 127.8mm distance center to center, 56mm big end bearing diameter | ||
Materials | block: magnesium alloy, 124.5mm bore spacing, Nikasil cylinder liners | cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers | ||
Cams/valves | 2 x 1 overhead camshafts (SOHC), chain driven | 2 valves/cyl. - 12 valves total. 49mm inlet valve diameter, 41.5mm exhaust valve diameter. | ||
Aspiration | natural with Bosch "pulsed injection" D-Jetronic mechanical Fuel Injection system using Kugelfischer PL Injection pump. Click here and here | |||
Ignition | electronic, twin spark, firing order 1-6-2-4-3-5 | |||
Cooling system | aircooled with 245mm diameter 11 blades centrifugal fan, guide vanes, thermostat and cut-off air-flaps | |||
Lubrication system | dry sump with 1 oil cooler | 11 lt |
Transmission | ||||
---|---|---|---|---|
Type | rear wheel drive | Porsche/ZF 915 here and here (Tutorial 1, Tutorial 2), 5 speed manual gearbox, located in front of rear axle | ||
Gearbox ratios | 1st: 3.182/1 (35/11) 2nd: 2.187/1 (35/16) 3rd: 1.600/1 (32/20) 4th: 1.126/1 (29/23) 5th: 1.000/1 (26/26) R: 3.325/1 |
915/06 1st: 3.182/1 (35/11) 2nd: 1.833/1 (33/18) 3rd: 1.261/1 (29/23) 4th: 0.926/1 (21/27) 5th: 0.729/1 (21/29) R: 3.325/1 |
1976, 915/44: 1st: 3.182/1 (35/11) 2nd: 1.833/1 (33/18) 3rd: 1.261/1 (29/23) 4th: 1.000/1 (26/26) 5th: 0.821/1 (23/28) R: 3.325/1 |
|
Diffrential ratio | 4.428/1 (31/7), 5.286/1 (37/7), 1976+: 3.875/1 (31/8) 1980+: 4.375/1 (35/8) |
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 (no servo) | 2.83 turns lock to lock | ||
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. 1980: f/r disc diameter 304/309mm | dual circuit (no servo) | ||
Dimensions | ||||
length: 4.291 m (168.9") | width: 1.652 m (65.0") width: 1.800 m (70.9) |
height: 1.320 m (52.0") | ||
wheelbase: 2.271 m (89.4") | front track: 1.372 m (54.1") | rear track: 1.404 m (55.3") | ||
Rims - tires | front 6 x 15", rear 7 x 15" | front 185/70 VR 15", rear 215/60 VR 15" | ||
Weight | 990 kg, **Group B: 1160kg, f/r distribution 43% / 57% | |||
Fuel tank | 80 lt |
Results in WSCC
Group 4 classification is noted in brackets
930/02 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 | |||||
Jacques Guérin/ Gérard Bleynie/ Jean-Louis Schlesser | #59, in entry list | #55, 15th (5th) | #29, 7th (3rd) | #17, 13th (6th) | ||||||||||
Tuckers Fast Food Franchise Ltd | #15, 20th (11th) | |||||||||||||
Total points 4 |
4 | |||||||||||||
Statistics | ||||||||||||||
Works Starts/finishes 4/4 | 1/1 | 1/1 | 2/2 | |||||||||||
Driver | Team entries and car number | |||||||||||||
Tuckers Fast Food Franchise Ltd | ||||||||||||||
Tony Lanfranchi | 15 | |||||||||||||
Adrian Yates-Smith | 15 |
Results in WRC
Races
930/02 engine
3.0 lt, 250 hp (184 kW), 300 Nm at 5,500 rpm, 1200 kg
Entry | Rally event | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Driver Codriver |
Team | MC | SVE Entry list |
KEN | POR | GRE | FIN | CAN | S.R | CdI | TdC | RAC | ||||
Jean-Pierre Nicolas Vincent Laverne |
Gitanes | 1st | ||||||||||||||
Lasse Jönsson Donald Karlsson |
acci dent | 19th | ||||||||||||||
Vic Preston jr John Lyall |
Porsche AG | 2nd | ||||||||||||||
Björn Waldegård Hans Thorszelius |
Porsche AG | 4th | ||||||||||||||
Per Eklund Bjorn Cederberg |
Happy People | 4th | ||||||||||||||
Jurgen Ebenhöh Claudia Lutter |
dnf | |||||||||||||||
Jacques Almeras Claude Perramond |
Porsche Almeras | 4th | ||||||||||||||
Total points () |
40 | 10 | 16 | 7 | 7 | |||||||||||
Statistics | ||||||||||||||||
Others starts/finishes | 8/6 | 1/1 | 1/0 | 2/2 | 1/1 | 1/0 | 1/1 | 1/1 |
*Group 3 entries


'81 model

'84 group B Rothmans rally team

'84 group B rally

Drawings

911 2.7




