Specification 312 B2




First Race: Brands Hatch Champions Race
Engine: Type 001/1, rear-mounted 180 V12 derived from 001, light alloy cylinder block and heads, aluminium wet cylinder liners, water cooling
Bore & Stroke: 80 x 49.6 mm
Unitary and total capacity: 249.317 / 2991.802 cm3
Compression Ratio: 11.5:1
Max. Power Output: 470 bhp at 12600 rpm
Timing Gear: 4 valves per cylinder, 2 overhead camshafts per cylinder bank, gear driven off the rear of the engine
Fuel Feed: Lucas indirect injection
Ignition: Single spark plug per cylinder, Dinoplex electronic  coil 
Lubrication System: Dry sump with radiator
Wheel drive: Rear
Clutch: Multi-plate
5-speed + reverse
Differential: Multi-plate limited-slip differential
Gear Ratios: Variable depending on track
Chassis: 621/A  monococque body, aluminium panels riveted on a tubular steel, partially stress-bearing engine
Front Suspension:
Independent, unequal-length wishbones, inboard springs and telescopic shock absorbers, anti-roll bar
Rear Suspension:
Independent, unequal-length wishbones, upper radius arms, coil-over-shocks mounted horizontally above the diff., anti-roll bar
Brakes: Discs
Steering: Rack and pinion
Length: 3,850 mm
Width: 750 mm
Height: 900 mm
Wheelbase 2,378 mm 
Front Track: 1,482 mm
Rear Track: 1,475 mm
Kerb Weight (with water and oil): 558 kg
Front Tyres: 8.6-20.0-13" , Firestone
Rear Tyres: 13.5-24.0-15", Firestone
Rims: Cast in light alloy, front 10x13", rear 15x15"
Fuel Tank: 233 litres, side mounted in canvas / Pirelli rubber
Bodywork: Single-seater body in composite materials and aluminium
Top Speed: 320 Km/h



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