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The engine was based on its F1 counterpart, albeit with a new crankshaft giving a shorter, 68 mm stroke but with a bigger bore for a larger, 4.5-litre displacement. The engine debuted in a 340 berlinetta at
Le Mans where it was driven by Ascari and Villoresi. Subsequently Pinin Farina built a series of around 10 spiders and a few berlinettas which were mainly fielded by privateers.
Engine
- Type front, longitudinal 60° V12
- Bore/stroke 84 x 68 mm
- Unitary displacement 376.84 cc
- Total displacement 4522.68 cc
- Compression ratio 9 : 1
- Maximum power 250 kW (340 hp) at 7000 rpm
- Power per litre 75 hp/l
- Valve actuation single overhead camshaft per bank, two valves per cylinder
- Fuel feed three Weber 40 IF/4C or 42 DCZ carburettors
- Ignition single spark plug per cylinder, two magnetos
- Lubrication wet sump
- Clutch multi-plate
Chassis
- Frame tubular steel
- Front suspension independent, unequal-length wishbones, transverse leaf spring, anti-roll bar, Houdaille hydraulic shock absorbers
- Rear suspension live axle, semi-elliptic springs, twin radius arms, twin Houdaille hydraulic shock absorbers
- Brakes drums
- Transmission 4-speed + reverse
- Steering worm and sector
- Fuel tank capacity 180 litres
- Front tyres 6.50 x 16
- Rear tyres 6.50 x 16
Bodywork
- Type two-seater berlinetta, spider
- Wheelbase 2600 mm
- Front track 1325 mm
- Rear track 1320 mm
- Weight 900 kg (dry)
Performance
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