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Overview

Ferrari 275 P - 1964

1964

275 P

This model is yet another addition to the long and hugely successful P series which began with the 250 P. Naturally enough, the 275 P refers to the unitary displacement and the letter P to the fact that this is a prototype. The increase in displacement was sought to improve performance and reliability over the distances involved in endurance races. The engine was also used in the 250 LM series after the FIA turned down its type approval as a GT car. Of course, Ferrari’s experience gained in racing was used to improve the production models which were fitted with engines with the same kind of displacement as the sports-prototypes.

Specifications

V12 Engine

Type rear, longitudinal 60° V12
Bore/stroke 77 x 58.8 mm
Unitary displacement 273.81 cc
Total displacement 3285.72 cc
Compression ratio 9.7 : 1
Maximum power 235 kW (320 hp) at 7700 rpm
Power per litre 97 hp/l
Maximum torque -
Valve actuation single overhead camshaft per bank, two valves per cylinder
Fuel feed six Weber 38 DCN carburettors
Ignition single spark plug per cylinder, two coils
Lubrication dry sump
Clutch multi-plate
Frame tubular steel
Front suspension independent, unequal-length wishbones, coil springs, telescopic shock absorbers, anti-roll bar
Rear suspension independent, unequal-length wishbones, coil springs, telescopic shock absorbers, anti-roll bar
Brakes discs
Transmission 5-speed + reverse
Steering rack-and-pinion
Fuel tank capacity 130 litres
Front tyres 5.50 x 15
Rear tyres 7.00 x 15
Type two-seater spider
Length 4160 mm
Width 1675 mm
Height 1055 mm
Wheelbase 2400 mm
Front track 1350 mm
Rear track 1340 mm
Weight 755 kg (dry)
Top speed -
Acceleration 0-100 km/h -
0-400 m -
0-1000 m -