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Type | Fixed-head coupé | Fixed-head coupé | Fixed-head coupé | |  |
Seats | 2 | 2+2 | 2 | |  |
Doors | 2 | 2 | 2 | |
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Top Speed | 132 mph | 143 mph | | |  |
Standing 1/4 mile | 16.20s | 15.80s | | |  |
Power-to-weight | 172.44 hp/ton | 169.27 hp/ton | 151.39 hp/ton | |  |
Specific Output | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | |
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Engine | Straight 6 | V 12 | Straight 6 | |  |
Valve train | Double overhead camshaft (per bank) | Single overhead camshaft | Double overhead camshaft (per bank) | |  |
Valves | 2 valves per cylinder
12 total valves | 2 valves per cylinder
24 total valves | 2 valves per cylinder
12 total valves | |  |
Displacement | 210 cu in | 180 cu in | 231 cu in | |  |
Bore x Stroke | 3 in x 4 in
0.78 ratio | 3 in x 2 in
1.24 ratio | 3 in x 4 in
0.82 ratio | |  |
Compression ratio | 9.00:1 | 9.20:1 | 8.00:1 | |  |
Maximum power | 254 hp @ 5500 rpm | 238 hp @ 7000 rpm | 223 hp @ 5500 rpm | |  |
Maximum torque | 240 ft.lb @ 4500 rpm | 181 ft.lb @ 5000 rpm | 240 ft.lb @ 3000 rpm | |  |
Fuel | Petrol | Petrol | Petrol | |  |
Coolant | Water | Water | Water | |
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Wheelbase | 102 in | 102 in | 102 in | |  |
Length | 177 in | 185 in | 177 in | |  |
Width | 64 in | 70 in | 64 in | |  |
Height | 55 in | 54 in | 55 in | |  |
Track | front: 51 in
rear: 51 in | front: 55 in
rear: 54 in | front: 51 in
rear: 51 in | |  |
Kerb weight | 3247 lb | 3100 lb | 3247 lb | |  |
Weight distribution | 50.50 | | | |  |
Frontal area | 1.69 | | 1.69 | |
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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
with overdrive
| 4, Manual
with overdrive
| 4, Manual
| |  |
Top gear ratio | 0.78 | 1.00 | 1.00 | |  |
Brakes | front: Disc rear: Disc servo assisted
| | front: Disc rear: Disc servo assisted
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