Specification F1 90

Engine: Type 036, rear-mounted 65 V12, cast iron cylinder block without wet liners, light alloy head, 112 mm connecting rods, water cooled 
Bore & Stroke: 84 x 52.6 mm 
Unitary and Total Displacement: 291.497/3,497,964 cc 
Compression Ratio: 12.5:1 
Max. Power Output: 680 bhp at 12,750 rpm 
Timing Gear: 5 valves per cylinder (3 intake), 2 overhead camshafts per cylinder bank, gear driven off the front of the engine 
Fuel Feed: Weber Marelli electronic digital indirect injection with twin injectors 
Ignition: Single plug, Magneti Marelli electronic static 
Lubrication System: Dry sump 
Transmission: Rear-wheel drive, three-plate carbon clutch with mechanical or automatic control, 641 longitudinal overhanging 7-speed gearbox + reverse, semi-automatic with electronic management
Gear Ratios: Variable depending on track 
Chassis: Type 641, monocoque in carbon-fibre and Kevlar honeycomb 
Front Suspension: Double elliptic section wishbones, push-rods 
Rear Suspension: Double wishbones, push-rods 
Brakes: Ventilated carbon-fibre discs, Brembo one-piece callipers on all 4 wheels 
Steering: Rack and pinion 
Length: 4,460 mm 
Width: 2,130 mm 
Height: 1,000 mm
Wheelbase and Front/ Rear Track: 2,855/1,800/1,675 mm 
Kerb Weight (with water and oil): 503 kg 
Front Tyres: 25.0-10.0-13", Goodyear 
Rear Tyres: 26.0-15.0-13", Goodyear 
Wheels: Speedline one-piece, front 11.75x13", rear 16x13" 
Fuel Tank: 220 litres, 1 centre, 2 side tanks, 102 RON fuel 
Bodywork: Composite, detachable 

Back to index season 1990