 Le Mans, 11 June 1955: Eugenio Castellotti in the Le Mans 24 Hours |
 Model 735 LM
4 cylinders in line, front longitudinal, light alloy cylinder block and head.
Bore and stroke 102 x 90 mm.
Unitary and total capacity 735.41 / 2,941.66 cc.
Compression ratio 9:1.
Max. power output 225 bhp at 6,800 rpm.
Timing gear 2 valves per cylinder, 2 overhead camshafts.
Fuel feed 2 Weber 50 DCOA carburettors.
Ignition Double, coil-ignition.
Transmission Multi-plate clutch, gearbox with 4 speeds + reverse, conventional differential.
Frame Tubular longitudinals and cross members.
Front suspension Independent, double wishbones, transverse lower leaf spring.
Rear suspension De Dion axle, thrust arms, transverse leaf spring.
Brakes Drums, hydraulic control.
Wheelbase and front and rear track 2,250 / 1,278 / 1,284 mm.
Tyres Front 5.25-16, rear 6.00-16.
Weight empty 750 kg.
Model 735 (446 S - 1955).
Engine 6 cylinders in line, front longitudinal, light alloy cylinder block and head.
Unitary and total capacity 735.41 / 4,412.49 cc.
Compression ratio 8.5:1.
Max. power output 330 bhp at 6,000 rpm.
Fuel feed 2 Weber 50 DCOA/3 carburettors.
118 LM (1955).
Engine 6 cylinders in line, front longitudinal, light alloy cylinder block and head.
Bore and stroke 94 x 90 mm.
Unitary and total capacity 624.58 / 3,747.48 cc.
Compression ratio 8:1.
Max. power output 280 bhp at 7,000 rpm.
Timing gear 2 valves per cylinder, 2 overhead camshafts.
Fuel feed 3 Weber 58 DCOA/3 carburettors.
Ignition Double, 2 coil-ignition units.
Transmission Dry, multi-plate clutch, gearbox with 5 speeds + reverse, ZF self- locking differential.
Frame Monococque in elliptic section steel tubes.
Front suspension Independent, double wishbones, coil springs.
Rear suspension De Dion axle, transverse leaf spring.
Brakes Drums, hydraulic control. Cooling system
Wheelbase and front and rear track 2,400 / 1,278 / 1,284 mm.
Weight empty 850 kg.
Tyres Front 5.50-16, rear 7.50-16.
121 LM (1955).
Engine 6 cylinders in line, front longitudinal, light alloy cylinder block and head.
Bore and stroke 102 x 90 mm.
Unitary and total capacity 735.41 / 4,412.49 cc.
Compression ratio 8.5:1.
Max. power output 330 bhp at 7,000 rpm.
Timing gear 2 valves per cylinder, 2 overhead camshafts.
Fuel feed 3 Weber 50 DCOA/3 carburettors.
Ignition Double, 2 coil-ignition units.
Transmission Dry, multi-plate clutch, gearbox with 5 speeds + reverse, ZF self- locking differential.
Frame Monococque in elliptic section steel tubes.
Front suspension Independent, double wishbones, coil springs.
Rear suspension De Dion axle, transverse leaf spring.
Brakes Drums, hydraulic control. Cooling system
Wheelbase and front and rear track 2,400 / 1,278 / 1,284 mm.
Weight empty 850 kg.
Tyres Front 5.50-16, rear 7.50-16.
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