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Type | | | | Fixed-head coupé | Fixed-head coupé | Fixed-head coupé | | |
Seats | | | | 2 | 2 | 4/5 | | |
Doors | | | | 2 | 2 | | |
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Top Speed | | | | 253 mph | 230 mph | 62 mph | | |
Standing 1/4 mile | | | | | | 26.50s | | |
Power-to-weight | | | | 1049.72 hp/ton | 795.58 hp/ton | 40.88 hp/ton | | |
Specific Output | | | | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | |
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Engine | | | | | V 8 (90º vee) | Straight 4 | | |
Valve train | | | | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | Overhead valves | | |
Valves | | | | 4 valves per cylinder
| 4 valves per cylinder
32 total valves | 2 valves per cylinder
8 total valves | | |
Displacement | 427 cu in | 318 cu in | | 303 cu in | 303 cu in | 49 cu in | | |
Bore x Stroke | | | | 4 in x 3 in
1.14 ratio | 4 in x 3 in
1.14 ratio | 2 in x 3 in
0.76 ratio | | |
Compression ratio | | | | 8.5:1 | 8.5:1 | 7.20:1 | | |
Maximum power | 525 hp | 300 hp | | 950 hp @ 7000 rpm | 720 hp @ 7000 rpm | 28 hp @ 4800 rpm | | |
Maximum torque | | | | 605 ft.lb @ 3500 rpm | 597 ft.lb @ 3500 rpm | 40 ft.lb @ 2200 rpm | | |
Fuel | | | | Petrol | Petrol | Petrol | | |
Construction | | | | Light alloy block &
Light alloy head | Light alloy block &
Light alloy head | | | |
Coolant | | | | | | Water | |
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Wheelbase | | | | 109 in | 106 in | 80 in | | |
Length | | | | 189 in | 189 in | 136 in | | |
Width | | | | 79 in | 78 in | 55 in | | |
Height | | | | 41 in | 42 in | 58 in | | |
Track | | | | front: 64 in
rear: 61 in | front: 63 in
rear: 61 in | front: 45 in
rear: 45 in | | |
Kerb weight | | | | 1995 lb | 1995 lb | 1510 lb | |
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Engine location | | | | Middle | 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 | | | | Rack & Pinion | Rack & Pinion | | | |
Brakes | | | | front: Disc Ventilated rear: Disc Ventilated
| front: Disc Ventilated rear: Disc Ventilated
| front: Drum rear: Drum
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