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Type | Fixed-head coupé | Roadster | Fixed-head coupé | |  |
Seats | 2 | | | |  |
Doors | 2 | 2 | 2 | |
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Top Speed | 181 mph | 180 mph | 180 mph | |  |
Power-to-weight | 394.38 hp/ton | 357.14 hp/ton | 375 hp/ton | |  |
Specific Output | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | |
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Engine | V 8 (90 º vee) | V 12 (60º vee) | V 12 (60.0º vee) | |  |
Valve train | | Single overhead camshaft | Double overhead camshaft (per bank) | |  |
Valves | 2 valves per cylinder
16 total valves | 2 valves per cylinder
24 total valves | 2 valves per cylinder
24 total valves | |  |
Displacement | 336 cu in | 180 cu in | 268 cu in | |  |
Bore x Stroke | 4 in x 3 in
1.28 ratio | 3 in x 2 in
1.24 ratio | 3 in x 3 in
1.14 ratio | |  |
Compression ratio | | 9.8:1 | 9.9:1 | |  |
Maximum power | 491 hp @ 5800 rpm | 300 hp @ 7800 rpm | 450 hp @ 8500 rpm | |  |
Maximum torque | 485 ft.lb @ 4800 rpm | | | |  |
Fuel | Petrol | Petrol | Petrol | |  |
Construction | | Light alloy block &
Light alloy head | Aluminium block &
Aluminium head | |  |
Sump | Dry sumped | | | |  |
Manufacturer | Chevrolet | | | |
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Wheelbase | 106 in | 94 in | 94 in | |  |
Length | 176 in | 158 in | 173 in | |  |
Width | 81 in | 66 in | 70 in | |  |
Height | 46 in | 43 in | | |  |
Track | | front: 53 in
rear: 53 in | | |  |
Kerb weight | 2745 lb | 1852 lb | 2646 lb | |  |
Fuel capacity | 29 US Gal | | | |
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Engine location | Front | Rear | Front | |  |
Engine Alignment | Longitudinal | | Longitudinal | |  |
Wheel Drive | Rear wheel drive | | Rear wheel drive | |  |
Transmission | 6, sequential manual
| 5, Manual
| 5, Manual
| |  |
Steering | | | Rack & Pinion | |  |
Brakes | front: Disc rear: Disc
| front: Disc rear: Disc
| front: Disc Ventilated rear: Disc Ventilated
| |
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Designer | | | Pininfarina | |  |
Number made | | | 5 | |
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