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 Model 250 GT - GT Spider
12 cylinders in 60° V, front longitudinal, light alloy cylinder block and head.
Bore and stroke 73 x 58.8 mm.
Unitary and total capacity 246.1 / 2,953.21 cc.
Compression ratio 9:1.
Max. power output 200 bhp at 6,000 rpm.
Timing gear 2 valves per cylinder, 1 overhead camshaft.
Fuel feed 3 Weber 36 DCZ/3 carburettors.
Ignition Single. coil-ignition.
Transmission Multi-plate clutch, gearbox with 4 speeds + reverse, conventional differential.
Frame Monobloc in elliptic section steel tubes.
Front suspension Independent, double wishbones, coil springs.
Rear suspension Live axle, semi-elliptic leaf springs.
Brakes Drums, hydraulic control.
Steering Worm and wheel.
Wheelbase and front and rear track 2,600 / 1,354 / 1,349 mm.
Tyres 6.00-16.
Weight empty 1,050 kg.
Fuel tank 100 litres.
Model 250 GT (1955)
Compression ratio 8.5:1.
Max. power output 210 bhp at 6,800 rpm.
250 GT (1958)
Compression ratio 9:1
Max. power output 235 bhp at 7,200 rpm.
Fuel feed 3 Weber 38 DCN carburettors.
Ignition Single, coil-ignition.
250 GT (1960)
Compression ratio 9.2:1
Max. power output 210 bhp at 7,400 rpm.
Fuel feed 3 Weber 38 DCN carburettors.
Ignition Single, coil-ignition.
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