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Type | Roadster | Fixed-head coupé | Fixed-head coupé | |  |
Seats | 4 | 2 | 2+2 | |  |
Doors | 2 | 2 | 2 | |
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Top Speed | 59 mph | 96 mph | 91 mph | |  |
Standing 1/4 mile | | | 21.40s | |  |
Power-to-weight | 21.77 hp/ton | 83.02 hp/ton | 92.27 hp/ton | |  |
Specific Output | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | |
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Engine | Straight 4 | Straight 4 | Straight 4 | |  |
Valve train | Side valves | Overhead valves | Overhead valves | |  |
Valves | 2 valves per cylinder
8 total valves | 2 valves per cylinder
8 total valves | 2 valves per cylinder
8 total valves | |  |
Displacement | 108 cu in | 46 cu in | 70 cu in | |  |
Bore x Stroke | | 2 in x 3 in
0.68 ratio | 3 in x 3 in
0.91 ratio | |  |
Compression ratio | | 9.50:1 | 9.00:1 | |  |
Maximum power | 32 hp @ 2700 rpm | 44 hp @ 6200 rpm | 68 hp @ 6000 rpm | |  |
Maximum torque | | | 67 ft.lb @ 3750 rpm | |  |
Fuel | Petrol | Petrol | Petrol | |  |
Main bearings | | | 5 | |  |
Coolant | Water | Water | Water | |
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Wheelbase | | 83 in | 91 in | |  |
Length | 167 in | 146 in | 160 in | |  |
Width | 65 in | 57 in | 60 in | |  |
Height | 67 in | 50 in | 53 in | |  |
Track | | front: 47 in
rear: 47 in | front: 48 in
rear: 48 in | |  |
Kerb weight | 3241 lb | 1168 lb | 1625 lb | |
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Engine location | Front | Rear | Front | |  |
Engine Alignment | | Longitudinal | Longitudinal | |  |
Wheel Drive | | Rear wheel drive | Rear wheel drive | |  |
Transmission | 3, Manual
| 5, Manual
| 4, Manual
| |  |
Top gear ratio | | | 1.00 | |
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