Specification 126 C4

 

Engine: Type 031, rear-mounted 120 V6, light alloy cylinder block and heads, aluminium wet liners, water cooled
Bore & Stroke: 81 x 48.4 mm
Unitary and Total Displacement: 249.40/1,496.43 cc
Compression Ratio: 6.7:1
Max. Power Output: 660 bhp at 11,000 rpm in race tune, max. pressure 3.2 bar
Timing Gear: 4 valves per cylinder, 2 overhead cams per cylinder bank, gear driven off the rear
Fuel Feed: 2 KKK turbos mounted centrally above the engine, Lucas-Ferrari or digital Weber-Marelli indirect injection plus emulsistem
Ignition: Single plug, Magneti Marelli electronic
Lubrication System: Dry sump
Transmission: Rear-wheel drive, multi-plate clutch, 635 5-speed gearbox + reverse, transverse in unit with differtial, ZF limited-slip differential
Gear Ratios: Variable depending on track
Chassis: 633, monococque in Kevlar-carbon fibre composite
Front Suspension: Double wishbones, pull-rods
Rear Suspension: Double wishbones, pull-rods
Brakes: Ventilated cast iron discs, Brembo 4 piston cast aluminium callipers
Steering: Rack and pinion
Length: 4,115 mm
Width: 2,125 mm
Height: 1,080 mm
Wheelbase and Front/ Rear Track: 2,600/1,786/1,665 mm
Kerb Weight (with water and oil): 540 kg
Front Tyres: 25.0-9.0-13", Goodyear
Rear Tyres: 26.0-15.0-13", Goodyear
Wheels: Speedline split rims, front 12.5x13", rear 16.5x13"
Fuel Tank: 220 litres, mid-mounted, 102 octane RON fuel
Bodywork: Composite, only for side panelling

 

 

Back to index season 1984