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Type | Convertible (cabrio) | Fixed-head coupé | Fixed-head coupé | |  |
Seats | 2 | 2+2 | 2 | |  |
Doors | 2 | 2 | 2 | |
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Top Speed | 142 mph | | 155 mph | |  |
Acceleration (0-100 km/h) | 9.3s | | 5.90s | |  |
Power-to-weight | 115.15 hp/ton | | 263.23 hp/ton | |  |
Specific Output | 0 hp/cu in | 0 hp/cu in | 0 hp/cu in | |
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Engine | Straight 6 | Straight 6 | V 12 | |  |
Valve train | Single overhead camshaft | Overhead valves | Double overhead camshaft (per bank) | |  |
Valves | 2 valves per cylinder
12 total valves | 2 valves per cylinder
12 total valves | 4 valves per cylinder
48 total valves | |  |
Displacement | 181 cu in | 135 cu in | 365 cu in | |  |
Bore x Stroke | 3 in x 3 in
1.1 ratio | 3 in x 4 in
0.69 ratio | 4 in x 3 in
1.11 ratio | |  |
Compression ratio | 9.2:1 | 8.50:1 | 10.00:1 | |  |
Maximum power | 190 hp @ 5700 rpm | 107 hp @ 4700 rpm | 408 hp @ 5200 rpm | |  |
Maximum torque | 192 ft.lb @ 4500 rpm | 129 ft.lb @ 3000 rpm | 428 ft.lb @ 3800 rpm | |  |
Fuel | Petrol | Petrol | Petrol | |  |
Catalytic converter | no | no | yes | |  |
Main bearings | | | 5 | |  |
Coolant | Water | Water | Water | |
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Wheelbase | 99 in | 100 in | 106 in | |  |
Length | 176 in | 180 in | 182 in | |  |
Width | 71 in | 66 in | 78 in | |  |
Height | 51 in | 53 in | 47 in | |  |
Track | front: 60 in
rear: 60 in | front: 54 in
rear: 54 in | front: 64 in
rear: 63 in | |  |
Ground clearance | | 7 in | | |  |
Kerb weight | 3638 lb | | 3417 lb | |  |
Drag coefficient | 0.320 | | | |  |
Fuel capacity | 21 US Gal | 14 US Gal | 26 US Gal | |
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Engine location | Front | Front | Middle | |  |
Engine Alignment | Longitudinal | Longitudinal | Longitudinal | |  |
Wheel Drive | Rear wheel drive | Rear wheel drive | Rear wheel drive | |  |
Transmission | 5, Manual
| 4, Manual
with overdrive
| 6, Manual
| |  |
Top gear ratio | | 3.20 | 0.81 | |  |
Steering | Recirculating ball | Rack & Pinion | Rack & Pinion | |  |
Power Steering | yes | | yes | |  |
Turns lock-to-lock | | | 3.3 | |  |
Turning circle | 0 ft | 37 ft | 0 ft | |  |
Brakes | | front: Disc rear: Drum
| front: Disc Ventilated rear: Disc Ventilated servo assisted
| |  |
Wheels | front: 8 16 rear: 8 16
| | | |  |
Tyres | front: 225/55 R16 rear: 225/55 R16
| | | |
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Number made | 12.020 | | | |
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