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Type | Fixed-head coupé | Targa top | Fixed-head coupé | | |
Seats | 2 | 2 | 2 | | |
Doors | | 2 | 2 | |
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Top Speed | 88 mph | 234 mph | | | |
Power-to-weight | 69.58 hp/ton | 837.93 hp/ton | | | |
Specific Output | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | |
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Engine | Straight 3 | V 12 ( 65.0º vee) | V 12 ( 60.0º vee) | | |
Valve train | Two stroke | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | | |
Valves | | 5 valves per cylinder
60 total valves | | | |
Displacement | 55 cu in | 287 cu in | 305 cu in | | |
Bore x Stroke | 3 in x 3 in
0.93 ratio | 3 in x 3 in
1.23 ratio | 3 in x 3 in
1.24 ratio | | |
Compression ratio | 7.00:1 | | 11.00:1 | | |
Maximum power | 51 hp @ 4250 rpm | 760 hp @ 10500 rpm | 550 hp @ 8000 rpm | | |
Maximum torque | 56 ft.lb @ 2800 rpm | 384 ft.lb | | | |
Fuel | Petrol | Petrol | Petrol | | |
Catalytic converter | no | yes | no | | |
Main bearings | | | 7 | | |
Construction | | | Light alloy block &
Light alloy head | | |
Coolant | | Water | Water | | |
Sump | | Dry sumped | | |
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Wheelbase | 93 in | 102 in | 94 in | | |
Length | 166 in | 180 in | 183 in | | |
Width | 67 in | 78 in | 77 in | | |
Height | 58 in | 43 in | 39 in | | |
Track | front: 51 in
rear: 53 in | | front: 60 in
rear: 59 in | | |
Kerb weight | 1616 lb | 2000 lb | | | |
Weight distribution | | 42.00 | | |
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Engine location | Front | Middle | Middle | | |
Engine Alignment | Longitudinal | Longitudinal | Longitudinal | | |
Wheel Drive | Front wheel drive | Rear wheel drive | Rear wheel drive | | |
Transmission | | 6, Manual
| 5, Manual
| | |
Top gear ratio | 0.91 | | | | |
Steering | | Rack & Pinion | | | |
Brakes | | front: Disc Ventilated rear: Disc Ventilated servo assisted
| front: Disc rear: Disc
| | |
Brake diameter | | front: 15 in
rear: 15 in
| | |
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Number made | | 3 | 1 | |
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