Specification 312 F1 69



Type 255/C
Number and arrangement of cylinders 60o V12
Bore and Stroke 77 x 53.5 mm
Unitary and total capacity 249.129 / 2,989.556 cm3
Location Rear mounted
Cylinder block and heads Light Alloy
Cylinder liners Special cast iron wet
Connecting rods 116 mm
Exhausts Lateral
Cooling Water
Compression ratio 11.8:1
Max. power output 436 bhp at 11,000 rpm
Timing gear 4 valves per cylinder, 2 overhead camshafts per cylinder bank, chain drive
Fuel feed Lucas indirect injection
Ignition Single plug, coil-ignition, Marelli coil and Dinoplex transistorised capacitive discharge
Lubrication Dry sump with radiator
Wheel drive Rear
Clutch Borg & Beck multi-plat
Gearbox 609 rear longitudinal overhanging 5 speed gearbox + reverse
Differential ZF plunger-type limited-slip differential
Gear ratios Variable depending on track
Type and material 609, monococque, aluminium panels in double wall riveted to tubular steel structure
Front suspension Double wishbones, upper rocker arm, lower wisgbone, inboard spring/damper units anti-roll bar
Rear suspension Double wishbobes, upper rocker arm, inverted lower wishbones, 2 radius arms and anti-roll bar
Steering Rack and pinion
Brakes Girling discs and callipers, inboard at rear on differential housing, independent hydraulic circuits
Battery 12 Volt Safa
Dimensions and Weight  
Lenght 4,060 mm
Width 738 mm
Height 910 mm
Wheelbase 2,400 mm
Front track 1,550 mm
Rear track 1,561 mm
Tyres front 5.00-10.00-13" Firestone
Tyres rear 6.00-13.50-15" Firestone
Rims Cast light alloy front 10 x 13", rear 14 x 15"
Weight with water and oil 530 kg
Fuel tank 180 / 220 litres, Pirelli rubber-canvas tanks
  aluminium single-seater body with composite elements

Ferrari S.P.A.


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