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Type | Fixed-head coupé | Roadster | Convertible (cabrio) | |  |
Seats | 2+2 | 2 | 4/5 | |  |
Doors | 2 | 2 | 2 | |
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Top Speed | | 81 mph | 78 mph | |  |
Power-to-weight | 153.14 hp/ton | 73.86 hp/ton | 57.29 hp/ton | |  |
Specific Output | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | |
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Engine | Straight 8 | Straight 6 | Straight 6 | |  |
Valve train | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | Overhead valves | |  |
Valves | 2 valves per cylinder
16 total valves | 2 valves per cylinder
12 total valves | 2 valves per cylinder
12 total valves | |  |
Displacement | 177 cu in | 107 cu in | 91 cu in | |  |
Bore x Stroke | 3 in x 4 in
0.68 ratio | 3 in x 3 in
0.74 ratio | 2 in x 3 in
0.76 ratio | |  |
Compression ratio | 5.75:1 | 6.25:1 | 6.00:1 | |  |
Maximum power | 183 hp @ 5200 rpm | 65 hp @ 4500 rpm | 55 hp @ 4500 rpm | |  |
Maximum torque | | 98 ft.lb @ 2000 rpm | | |  |
Fuel | Petrol | Petrol | Petrol | |  |
Main bearings | | 5 | | |  |
Construction | | | Cast iron block &
Aluminium head | |  |
Coolant | Water | Water | Water | |
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Wheelbase | 110 in | 108 in | 115 in | |  |
Length | 164 in | | 167 in | |  |
Width | 66 in | | 72 in | |  |
Height | | | 66 in | |  |
Track | front: 53 in
rear: 53 in | front: 54 in
rear: 54 in | front: 54 in
rear: 54 in | |  |
Ground clearance | 7 in | | | |  |
Kerb weight | 2635 lb | 1940 lb | 2116 lb | |  |
Fuel capacity | 26 US Gal | 26 US Gal | | |
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Engine location | Front | Front | Front | |  |
Engine Alignment | Longitudinal | Longitudinal | Longitudinal | |  |
Wheel Drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | |  |
Transmission | 4, Manual
| 4, Manual
| 4, Manual
| |  |
Top gear ratio | | 1.00 | 1.00 | |  |
Steering | | Worm & Wheel | | |  |
Brakes | | front: Drum rear: Drum
| front: Drum rear: Drum
| |
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Number made | | | 171 | |
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