  Jody Scheckter, Drivers' World Champion with Ferrari in 1979 |
 Model 312 T4
Formula 1 racing car.
Years of activity 1979.
First race South African Grand Prix of 3.3.1979.
Engine Type 015. 12 cylinders in 180° V, rear-mounted. Light alloy cylinder block and head, press-fitted aluminium cylinder liners, 112 mm connecting rod. Water cooled.
Bore and stroke 80 x 49.6 mm.
Unitary and total capacity 249.3168 / 2,991.801 cc.
Compression ratio 11.5:1.
Max. power output 515 bhp at 12,300 rpm.
Timing gear 4 valves per cylinder, 2 camshafts per bank of cylinders, gear drive at rear.
Fuel feed Lucas indirect injection.
Ignition Single. With coil-ignition and Marelli Dinoplex electronic capacitive discharge.
Lubrication Pressurised. Dry sump.
Transmission Rear. Borg & Beck multi-plate clutch. 022 gearbox with 5 speeds + reverse, transverse in block with self-locking differential.
Gear ratios Variable depending on racing circuit.
Frame Type 022. Stress-bearing body: aluminium panels riveted to light alloy structure with various sections and light alloy supports.
Front suspension Double wishbone: double triangles, inboard spring/ dampers units.
Rear suspension Double wishbone: upper trapezium, lower arm, vertical inboard spring/damper units behind gearbox.
Steering Rack and pinion.
Brakes Lockheed callipers and Brembo ventilated cast iron discs. Inboard on differential at rear.
Tyres Front 23/59-13î, rear 38/68-13î. Michelin.
Rims Multipiece. Front 12x13î, rear 19x13î.
Wheelbase 2,700 mm.
Front/rear track 1,700 mm / 1,600 mm.
Length 4,460 mm.
Width 2,120 mm.
Height 1,010 mm.
Weight with water and oil 605 kg.
Fuel tank 175/190 litres central. Petrol NO 98/100.
Battery Safa Warley.
Bodywork Single-seater body in composite materials and aluminium.
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