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Type | Roadster | | Roadster | |  |
Seats | | | | |  |
Doors | 2 | | 2 | |
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Top Speed | | | 186 mph | |  |
Power-to-weight | 313.19 hp/ton | | 397.73 hp/ton | |  |
Specific Output | 0 hp/cu in | | 0 hp/cu in | |
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Engine | | V 12 | V 12 (60º vee) | |  |
Valve train | | Sleeve valves | Double overhead camshaft (per bank) | |  |
Valves | | 2 valves per cylinder
24 total valves | 2 valves per cylinder
24 total valves | |  |
Displacement | 293 cu in | 236 cu in | 201 cu in | |  |
Bore x Stroke | | 3 in x 4 in
0.64 ratio | 3 in x 2 in
1.31 ratio | |  |
Compression ratio | | | 9.8:1 | |  |
Maximum power | 368 hp | | 350 hp @ 8500 rpm | |  |
Fuel | Petrol | Petrol | Petrol | |  |
Construction | | | Light alloy block &
Light alloy head | |  |
Coolant | | Water | | |  |
Sump | | Dry sumped | | |
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Wheelbase | 99 in | 141 in | 94 in | |  |
Length | 162 in | | 168 in | |  |
Width | 70 in | | 66 in | |  |
Height | 47 in | | 41 in | |  |
Track | | | front: 55 in
rear: 54 in | |  |
Kerb weight | 2590 lb | | 1940 lb | |
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Engine location | | Front | Rear | |  |
Engine Alignment | | Longitudinal | | |  |
Wheel Drive | | Rear wheel drive | | |  |
Transmission | 6, Automatic
| 4, Manual
| 5, Manual
| |  |
Brakes | | | front: Disc rear: Disc
| |  |
Wheels | | | front: 5.5 15 rear: 7 15
| |  |
Tyres | front: 225/40 R18 rear: 245/40 R18
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