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Clay Regazzoni, winner of the 1970 Italian Grand Prix



Model

312 B


Type


Formula 1 racing car.

Years of activity


1970/1971.

First race


South African Grand Prix of 7.3.1970.

Engine


Type 001. Rear-mounted. 12 cylinders in 180° V. Light alloy cylinder block and head, press-fitted aluminium wet cylinder liners, 112 mm connecting rod, water cooled.

Bore and stroke


78.5 x 51.5 mm.

Unitary and total capacity


249.25 / 2,991.01 cc.

Compression ratio


11.8:1.

Max. power output


460 bhp at 12,000 rpm.

Timing gear


4 valves per cylinder, 2 overhead camshafts per bank of cylinders, rear geared drive.

Fuel feed


Lucas indirect injection.

Ignition


Single. Distributor, coil and Dinoplex electronic capacitive discharge.

Lubrication


Pressurised with radiator. Dry sump.

Transmission


Rear. Borg & Beck multi-plate clutch, 001 gearbox with 5 speeds + reverse, rear longitudinal overhanging gearbox, in block with multi-plate self-locking differential.

Gear ratios


Variable depending on racing circuit.

Frame


Type 001. Stress-bearing body, aluminium panels riveted on a steel tube structure. Partially stress-bearing engine.

Front suspension


Double wishbones: upper rocker arm, lower triangle, inboard spring/damper units and anti-roll bar.

Rear suspension


Double wishbones: upper arm, inverted lower triangle, 2 longitudinal struts and anti-roll bar.

Steering


Rack and pinion.

Brakes


Girling discs and callipers mounted on wheels. Separate adjustable hydraulic circuits on the two axles.

Tyres


Front 9-22-13, rear 12.5-26-15. Firestone.

Rims


Cast light alloy. front 10x13, rear 14x15.

Wheelbase


2,385 mm.

Front/rear track


1,553 / 1,550 mm.

Length


4,020 mm.

Width


742 mm.

Height


956 mm.

Weight with water and oil


551 kg.

Fuel tank


240 litres. Side-mounted in canvas/Pirelli rubber.

Battery


12 Volt Safa.

Bodywork


Aluminium single-seater body with composite elements.