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Type | Fixed-head coupé | Fixed-head coupé | | |  |
Seats | 2 | 4/5 | | |  |
Doors | 2 | 2 | | |
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Top Speed | 180 mph | 114 mph | 225 mph | |  |
Acceleration (0-100 km/h) | | 9.0s | | |  |
Standing 1/4 mile | 15.80s | | | |  |
Power-to-weight | 290 hp/ton | 116.94 hp/ton | -70.11 hp/ton | |  |
Specific Output | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | |
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Engine | V 12 | Straight 4 | Straight 12 (60.0º vee) | |  |
Valve train | Single overhead camshaft | Overhead valves | Double overhead camshaft (per bank) | |  |
Valves | 2 valves per cylinder
24 total valves | 2 valves per cylinder
8 total valves | | |  |
Displacement | 303 cu in | 116 cu in | 340 cu in | |  |
Bore x Stroke | 3 in x 3 in
1.29 ratio | 4 in x 3 in
1.33 ratio | 3 in x 3 in
0.93 ratio | |  |
Compression ratio | 8.80:1 | 9.20:1 | 9:1 | |  |
Maximum power | 406 hp @ 6500 rpm | 107 hp @ 5400 rpm | 598-616 hp @ 5800 rpm | |  |
Maximum torque | 350 ft.lb @ 4750 rpm | 110 ft.lb @ 4600 rpm | | |  |
Fuel | Petrol | Petrol | | |  |
Coolant | Water | Water | | |
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Wheelbase | 104 in | 94 in | 107 in | |  |
Length | 190 in | 162 in | | |  |
Width | 70 in | 63 in | | |  |
Height | 50 in | 52 in | | |  |
Track | | front: 51 in
rear: 51 in | front: 58 in
rear: 56 in | |  |
Ground clearance | | 5 in | | |  |
Kerb weight | 3086 lb | 2017 lb | 2033 lb | |  |
Fuel capacity | | 12 US Gal | | |
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Engine location | Front | Front | | |  |
Engine Alignment | Longitudinal | Longitudinal | | |  |
Wheel Drive | Rear wheel drive | Rear wheel drive | | |  |
Transmission | 5, Manual
| 4, Manual
| | |  |
Top gear ratio | | 1.00 | | |  |
Steering | | Rack & Pinion | | |  |
Brakes | | front: Disc rear: Drum servo assisted
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