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Imola, 3 May 1987: Michele Alboreto, third in the San Marino Grand Prix



Model

F1-87


Type


Formula 1 racing car.

Years of activity


1987.

First race


Brazilian Grand Prix of 12.4.1987.

Engine


Type 033/D. 6 cylinders in 90° V, rear-mounted. Cast iron cylinder block without press-fitted cylinder liners, light alloy head. Water cooled.

Bore and stroke


81 x 48.4 mm.

Unitary and total capacity


249.4 / 1,496.43 cc.

Compression ratio


8:1.

Max. power output


880 bhp at 11,500 rpm in a race, max. pressure 4 bar.

Timing gear


4 valves per cylinder, 2 camshafts per bank of cylinders, chain drive at front.

Fuel feed


Forced. 2 side-mounted Garrett turbos. Weber-Marelli digital injection. Twin electro-injectors.

Ignition


Single. Magneti Marelli static electronic.

Lubrication


Forced, dry sump.

Transmission


Rear. Multi-plate clutch. 638 rear longitudinal overhanging gearbox with 6 speeds + reverse, ZF self-locking differential.

Gear ratios


Variable depending on racing circuit.

Frame


Type 638. Monococque in honeycomb carbon fibre and Kevlar composite.

Front suspension


Double wishbones: two overlapping elliptic section triangles, tie-rod or pull-rod springing.

Rear suspension


Double wishbones: upper trapezium, lower triangle, tie-rod or pull-rod springing.

Steering


Rack and pinion.

Brakes


Ventilated carbon discs on all 4 wheels. Brembo 4-piston callipers.

Tyres


Front 25.0-10.0-13, rear 26.0-15.0-13. Goodyear.

Rims


Dymag monolithic 12x13 and 16.3x13.

Wheelbase


2,800.5 mm.

Front/rear track


1,791.4 mm / 1,677.6 mm.

Length


4,280 mm.

Width


2,120 mm.

Height


1,000 mm.

Weight with water and oil


542 kg.

Fuel tank


195 litres. Centre-mounted. (Fuel 102 RON).

Bodywork


Composite.