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Type | Single Seater | Fixed-head coupé | |  |
Seats | | | |  |
Doors | | 2 | |
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Top Speed | | 180 mph | |  |
Power-to-weight | 543.84 hp/ton | 377.78 hp/ton | |  |
Specific Output | 0 hp/cu in | 0 hp/cu in | |
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Engine | V 12 (60º vee) | V 12 (60º vee) | |  |
Valve train | Double overhead camshaft (per bank) | Single overhead camshaft | |  |
Valves | 2 valves per cylinder
24 total valves | 2 valves per cylinder
24 total valves | |  |
Displacement | 91 cu in | 276 cu in | |  |
Bore x Stroke | 2 in x 2 in
1.05 ratio | 3 in x 3 in
1.24 ratio | |  |
Compression ratio | 6.5:1 | 9:1 | |  |
Maximum power | 380.69 hp @ 8000 rpm | 340 hp @ 7000 rpm | |  |
Fuel | Petrol | Petrol | |  |
Construction | Light alloy block &
Light alloy head | Light alloy block &
Light alloy head | |
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Wheelbase | 91 in | 102 in | |  |
Length | 145 in | | |  |
Width | 55 in | | |  |
Height | 40 in | | |  |
Track | front: 50 in
rear: 49 in | front: 52 in
rear: 52 in | |  |
Kerb weight | 1543 lb | 1984 lb | |  |
Fuel capacity | 37 US Gal | 48 US Gal | |
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Engine location | Front | Front | |  |
Engine Alignment | | Longitudinal | |  |
Wheel Drive | Front wheel drive | | |  |
Transmission | 4, Manual
| 4, Manual
| |  |
Steering | Worm & Peg | Worm & Wheel | |  |
Brakes | front: Drum rear: Drum
| front: Drum rear: Drum
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