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Type | Fixed-head coupé | | | | |
Seats | 1/2 | | | | |
Doors | 2 | | 2 | |
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Top Speed | 169 mph | 199 mph | 168 mph | | |
Power-to-weight | 313.77 hp/ton | 562.5 hp/ton | 380.25 hp/ton | | |
Specific Output | 0 hp/cu in | | 0 hp/cu in | |
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Engine | Straight 8 (53º vee) | V 12 | V 12 | | |
Valve train | | Double overhead camshaft (per bank) | Single overhead camshaft | | |
Valves | 2 valves per cylinder
16 total valves | 3 valves per cylinder
36 total valves | 2 valves per cylinder
24 total valves | | |
Displacement | 182 cu in | 242 cu in | 180 cu in | | |
Bore x Stroke | 3 in x 3 in
1 ratio | 3 in x 3 in
1.08 ratio | 3 in x 2 in
1.24 ratio | | |
Compression ratio | 9.0:1 | 11.0:1 | 9.80:1 | | |
Maximum power | 310 hp @ 7400 rpm | 450 hp @ 8000 rpm | 304.2 hp @ 7200 rpm | | |
Maximum torque | 234 ft.lb @ 5950 rpm | | 221 ft.lb @ 5500 rpm | | |
Maximum RPM | 7800 | | | | |
Fuel | Petrol | | | | |
Construction | | Light alloy block &
Light alloy head | | | |
Coolant | | | Water | | |
Sump | Dry sumped | | | |
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Wheelbase | 93 in | 94 in | 93 in | | |
Length | 171 in | 165 in | 164 in | | |
Width | 69 in | 71 in | 61 in | | |
Height | 48 in | 39 in | 40 in | | |
Track | front: 52 in
rear: 54 in | front: 59 in
rear: 57 in | front: 51 in
rear: 51 in | | |
Ground clearance | | | 5 in | | |
Kerb weight | 2178 lb | 1764 lb | 1764 lb | | |
Fuel capacity | | | 37 US Gal | |
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Engine location | Front | Middle | Front | | |
Engine Alignment | Longitudinal | Longitudinal | Longitudinal | | |
Wheel Drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | | |
Transmission | 5, Manual
| 5, Manual
| 4, Manual
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Top gear ratio | | | 1.00 | | |
Steering | Worm & Sector | Rack & Pinion | | | |
Brakes | front: Drum rear: Drum
| front: Disc Ventilated rear: Disc Ventilated
| front: Drum rear: Drum
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Brake diameter | front: 14 in
rear: 11 in
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