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Type | Single Seater | Fixed-head coupé | Fixed-head coupé | Fixed-head coupé | | |
Seats | | 2 | 2 | 2 | | |
Doors | | 2 | 2 | 2 | |
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Top Speed | 254 mph | 249 mph | 245 mph | 245 mph | | |
Acceleration (0-100 km/h) | | | 3.20s | 3.20s | | |
Standing 1/4 mile | | | 9.90s | 9.00s | | |
Power-to-weight | 598.9 hp/ton | | 683.05 hp/ton | 682.2 hp/ton | | |
Specific Output | 0 hp/cu in | | 0 hp/cu in | 0 hp/cu in | |
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Engine | | V 12 | V 8 ( 90.0º vee) | V 8 ( 90.0º vee) | | |
Valve train | Overhead valves | | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | | |
Valves | 2 valves per cylinder
| | 4 valves per cylinder
32 total valves | 4 valves per cylinder
32 total valves | | |
Displacement | 386 cu in | | 287 cu in | 287 cu in | | |
Bore x Stroke | 3 in x 3 in
0.91 ratio | | | | | |
Compression ratio | | | 8.20:1 | 8.60:1 | | |
Maximum power | 545 hp @ 5000 rpm | | 806 hp @ 7200 rpm | 805 hp @ 6900 rpm | | |
Maximum torque | 651 ft.lb @ 2600 rpm | | 679 ft.lb @ 6100 rpm | 679 ft.lb @ 5700 rpm | | |
Maximum RPM | | | | 7600 | | |
Fuel | | Petrol | Ethanol | Petrol | | |
Catalytic converter | no | no | yes | no | | |
Construction | Aluminium block &
Aluminium head | | | | | |
Coolant | Water | | Water | Water | | |
Sump | | | Dry sumped | Dry sumped | |
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Wheelbase | 115 in | | 105 in | 105 in | | |
Length | 217 in | | 169 in | 165 in | | |
Width | 72 in | | 79 in | 78 in | | |
Height | 42 in | | 44 in | 42 in | | |
Track | front: 56 in
rear: 56 in | | | | | |
Ground clearance | | | | 4 in | | |
Kerb weight | 2006 lb | | 2601 lb | 2601 lb | | |
Frontal area | | | 1.87 | 1.83 | | |
Cx | | | 0.56 | 0.54 | | |
Drag coefficient | | | 0.300 | 0.297 | | |
Fuel capacity | 55 US Gal | | 18 US Gal | 21 US Gal | |
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Engine location | | | Middle | Middle | | |
Engine Alignment | | | Longitudinal | Longitudinal | | |
Wheel Drive | Rear wheel drive | | Rear wheel drive | Rear wheel drive | | |
Transmission | 4, Manual
| 6, sequential manual
| 6, Manual
| 6, Manual
| | |
Top gear ratio | | | 0.60 | | | |
Steering | | | Rack & Pinion | Rack & Pinion | | |
Power Steering | | | yes | | | |
Turns lock-to-lock | | | 2.7 | 2.7 | | |
Brakes | | | front: Disc Ventilated rear: Disc Ventilated with ABS servo assisted
| front: Disc Ventilated rear: Disc Ventilated servo assisted
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Brake diameter | | | front: 15 in
rear: 14 in
| front: 14 in
rear: 14 in
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Wheels | | | front: 9.5 19 rear: 12.5 20
| front: 9.5 19 rear: 12.5 20
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Tyres | | | front: 255/35 R19 rear: 335/30 R20
| front: 245/40 R19 rear: 335/30 R20
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