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Type | Convertible (cabrio) | Convertible (cabrio) | Roadster | Roadster | Roadster | | |
Seats | 2 | 2 | 2 | 2 | 2 | | |
Doors | 2 | | | 2 | | |
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Top Speed | 62 mph | 90 mph | | | 75 mph | | |
Standing 1/4 mile | | 19.80s | | | 21.00s | | |
Standing km | | | | | 39.80s | | |
Power-to-weight | 64.29 hp/ton | | | 94.18 hp/ton | 67.77 hp/ton | | |
Specific Output | 0 hp/cu in | | | 0 hp/cu in | 0 hp/cu in | |
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Engine | Straight 2 | Straight 4 | Straight 4 | Straight 4 | Straight 4 | | |
Valve train | Two stroke | Side valves | Side valves | Overhead valves | Side valves | | |
Valves | | 2 valves per cylinder
8 total valves | 2 valves per cylinder
8 total valves | 2 valves per cylinder
8 total valves | 2 valves per cylinder
8 total valves | | |
Displacement | 20 cu in | 72 cu in | 61 cu in | 76 cu in | 72 cu in | | |
Bore x Stroke | 2 in x 2 in
0.94 ratio | 2 in x 4 in
0.69 ratio | 3 in x 2 in
1.67 ratio | 3 in x 4 in
0.74 ratio | 2 in x 4 in
0.69 ratio | | |
Compression ratio | 7.40:1 | 8.50:1 | 9.00:1 | 8.50:1 | 8.50:1 | | |
Maximum power | 18 hp @ 5000 rpm | | | 55 hp @ 5200 rpm | 37 hp @ 5200 rpm | | |
Fuel | Petrol | Petrol | Petrol | Petrol | Petrol | | |
Coolant | Air | Water | Water | Water | Water | |
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Wheelbase | 70 in | 90 in | 75 in | 96 in | 90 in | | |
Length | 123 in | 130 in | 140 in | | | | |
Width | 50 in | | 56 in | | | | |
Height | 43 in | | | | | | |
Track | front: 44 in
rear: 44 in | front: 45 in
rear: 45 in | front: 48 in
rear: 48 in | front: 50 in
rear: 50 in | front: 45 in
rear: 45 in | | |
Ground clearance | 7 in | | 6 in | | 10 in | | |
Kerb weight | 617 lb | 1232 lb | 840 lb | 1287 lb | 1204 lb | | |
Fuel capacity | 4 US Gal | | 3 US Gal | | | |
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Engine location | Front | Front | Front | Front | Front | | |
Engine Alignment | Transverse | Longitudinal | Longitudinal | Longitudinal | Longitudinal | | |
Wheel Drive | Front wheel drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | | |
Transmission | 3, Manual
| 3, Manual
| 4, Manual
| 4, Manual
| 3, Manual
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Top gear ratio | 5.30 | 1.00 | 1.00 | | 1.00 | | |
Steering | | | | Rack & Pinion | | | |
Brakes | front: Drum rear: Drum
| front: Drum rear: Drum
| front: Drum rear: Drum
| front: Drum rear: Drum
| front: Drum rear: Drum
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