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Engine
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Configuration |
M25A Straight 8
|
Location |
Front, longitudinally mounted
|
Weight |
204 kilo / 449.7 lbs |
Construction |
forged-steel block and head
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Displacement |
3,360 cc / 205 cu in |
Bore / Stroke |
78.0 mm (3.1 in) / 88.0 mm (3.5 in)
|
Compression |
7.5:1 |
Valvetrain |
4 valves / cylinder, DOHC
|
Fuel feed |
2 Mercedes Carburettors
|
Aspiration |
Roots-Type Supercharger |
Power |
314 bhp / 234 kW
@ 5,800 rpm
|
BHP/Liter |
93 bhp / liter |
Drivetrain |
Chassis |
aluminium body on box-section steel frame |
Front suspension |
double wishbones, bell-crank actuated horizontal coil springs, friction dampers |
Rear suspension |
swing axles, transverse quarter-elliptic leaf springs, friction dampers |
Steering |
worm-and-nut |
Brakes |
Lockheed hydraulic drums, all-round |
Gearbox |
4 speed Manual
|
Drive |
Rear wheel drive |
Dimensions |
Weight |
750 kilo / 1,654 lbs |
Length / Width / Height |
4,040 mm (159.1 in) / 1,770 mm (69.7 in) / 1,160 mm (45.7 in)
|
Wheelbase / Track (fr/r) |
2,725 mm (107.3 in) / 1,473 mm (58 in) / 1,412 mm (55.6 in)
|
Performance figures |
Power to weight |
0.42 bhp / kg |
Top Speed |
300 km/h (186 mph)
|
Resources |
Suggested reading |
- The Grand Prix Car, by Laurence Pomeroy
- Classic Racing Cars, by Cyril Posthumus
- Classic Grand Prix Cars, by Karl Ludvigsen
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Related articles |
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Useful links |
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