Specification 312 F1 69
Engine | ||
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 | |
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Transmission | ||
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 | |
Chassis | ||
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 | |
Bodywork | ||
aluminium single-seater body with composite elements |