1970
312 B
The car used is the new 312 B, the start of a series of 12 -cylinder boxer engines, indicated by the B in the car’s name. The single-seater is becoming more and more competitive during the season. The drivers gain four wins: three by Ickx (Austria, Canada and Mexico) and one by Regazzoni (Italy).
The engine with its flat cylinders has the advantage of a lower centre of gravity. Being completely new it is also more compact and lighter, therefore improving the car’s performance. This type of engine is used for a long time with several improvements bringing Ferrari back to success. Also the chassis is new, although it is still a semi-monocoque with a tubular frame with attached panels of aluminium for the livery. Meanwhile the engine is fitted in the rear, but not yet self-feeding like in the following years.
- Flat-12Engine
- 2991.01 ccTotal displacement
- 534 kgWeight (with liquids)
- 5-speed +revTransmission
Engine
- Typerear, longitudinal flat-12
- Bore/stroke 78.5 x 51.5 mm
- Unitary displacement 249.25 cc
- Total displacement 2991.01 cc
- Compression ratio 11.5 : 1
- Maximum power 331 kW (450 hp) at 12.000 rpm
- Power per litre 150 hp/l
- Valve actuation twin overhead camshafts per bank, four valves per cylinder
- Fuel feed Lucas indirect injection
- Lubrication dry sump
- Clutch multi-plate
Chassis
- Frame semi-monocoque, tubular steel chassis with riveted aluminium panels, engine a semi-stressed member
- Front suspension independent, unequal-length wishbones, inboard coil springs over telescopic shock absorbers, anti-roll bar
- Rear suspension independent, upper lever arm, reversed lower wishbone, twin radius arms, coil springs over telescopic shock absorbers,anti-roll bar
- Brakes discs
- Transmission 5-speed + reverse
- Steering rack-and-pinion
- Fuel tank capacity 240 litres
- Front tyres 9-22-13
- Rear tyres 12.5-26-15
