  Jacky Ickx, winner of the 1968 French Grand Prix |
 Model 312 F1 - 1968
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 4.75-10.30-15î, rear 6.00-12.30-15î. Firestone.
Rims Cast light alloy. Front 9.5x15î. Rear 12.5x15î.
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.
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