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Jacky Ickx, winner of the 1968 French Grand Prix



Model

312 F1 - 1968


Type


Formula 1 racing car.

Years of activity


1968.

First race


South African Grand Prix of 1.1.1968.

Engine


Type 242C. Rear-mounted. 12 cylinders in 60° V, light alloy cylinder block and head, press-fitted special cast iron cylinder liners, 112 mm connecting rod, water cooled.

Bore and stroke


77 x 53.5 mm.

Unitary and total capacity


249.1297 / 2,989.556 cc.

Compression ratio


11.8:1.

Max. power output


410 bhp at 11,000 rpm.

Timing gear


4 valves per cylinder with 30 angle, 2 camshafts per bank of cylinders, chain drive.

Fuel feed


Lucas indirect injection.

Ignition


Single. 2 distributors and 2 coils.

Lubrication


Pressurised with radiator. Dry sump.

Transmission


Rear. Borg & Beck multi-plate clutch. 606L rear longitudinal overhanging gearbox with 5 speeds + reverse, ZF self-locking plunger-type differential.

Gear ratios


Variable depending on racing circuit.

Frame


Type 606B. Stress-bearing body: aluminium panels in double wall riveted to steel tube structure.

Front suspension


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

Rear suspension


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

Steering


Rack and pinion.

Brakes


Girling discs and callipers. Inboard at rear on differential housing, independent hydraulic circuits.

Tyres


Front 4.75-10.30-15, rear 6.00-12.30-15. Firestone.

Rims


Cast light alloy. Front 9.5x15. Rear 12.5x15.

Wheelbase


2,400 mm.

Front/rear track


1,550 / 1,557 mm.

Length


4,050 mm.

Width


720 mm.

Height


875 mm.

Weight with water and oil


523 kg.

Fuel tank


182 litres in Pirelli rubber containers.

Battery


12 Volt Safa.

Bodywork


Aluminium single-seater body with composite elements.