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Type | Fixed-head coupé | Fixed-head coupé | Roadster | |  |
Seats | 2 | 2 | 2 | |  |
Doors | 2 | 2 | 2 | |
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Top Speed | 212 mph | 180 mph | 93 mph | |  |
Acceleration (0-100 km/h) | 2.70s | | 10.4s | |  |
Standing 1/4 mile | 10.90s | 15.80s | | |  |
Power-to-weight | 661.15 hp/ton | 290 hp/ton | 96.39 hp/ton | |  |
Specific Output | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | |
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Engine | Straight 4 | V 12 | Straight 6 | |  |
Valve train | Double overhead camshaft (per bank) | Single overhead camshaft | Overhead valves | |  |
Valves | 4 valves per cylinder
16 total valves | 2 valves per cylinder
24 total valves | 2 valves per cylinder
12 total valves | |  |
Displacement | 122 cu in | 303 cu in | 120 cu in | |  |
Bore x Stroke | 4 in x 3 in
1.18 ratio | 3 in x 3 in
1.29 ratio | 3 in x 4 in
0.69 ratio | |  |
Compression ratio | 8.00:1 | 8.80:1 | 7.50:1 | |  |
Maximum power | 519 hp | 406 hp @ 6500 rpm | 80 hp @ 5000 rpm | |  |
Maximum torque | 398 ft.lb | 350 ft.lb @ 4750 rpm | 93 ft.lb @ 4000 rpm | |  |
Maximum RPM | 7800 | | | |  |
Fuel | Petrol | Petrol | Petrol | |  |
Main bearings | | | 4 | |  |
Construction | | | Cast iron block &
Light alloy head | |  |
Coolant | Water | Water | Water | |
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Wheelbase | 100 in | 104 in | 94 in | |  |
Length | 158 in | 190 in | 154 in | |  |
Width | 75 in | 70 in | 61 in | |  |
Height | 43 in | 50 in | 55 in | |  |
Track | front: 66 in
rear: 61 in | | front: 45 in
rear: 48 in | |  |
Ground clearance | | | 8 in | |  |
Kerb weight | 1731 lb | 3086 lb | 1830 lb | |  |
Fuel capacity | | | 13 US Gal | |
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Engine location | Middle | Front | Front | |  |
Engine Alignment | | Longitudinal | Longitudinal | |  |
Wheel Drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | |  |
Transmission | 5, Manual
| 4, Manual
| 4, Manual
| |  |
Top gear ratio | 0.92 | | 1.00 | |  |
Steering | | | Rack & Pinion | |  |
Brakes | | | front: Drum rear: Drum
| |  |
Brake diameter | | | front: 11 in
rear: 11 in
| |  |
Wheels | front: 8.5 18 rear: 13.5 18
| | | |  |
Tyres | front: 245/35 R18 rear: 335/35 R18
| | | |
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Number made | | | 464 | |
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