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Type | Fixed-head coupé | Fixed-head coupé | |  |
Seats | 2 | 2+2 | |  |
Doors | 2 | 2 | |
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Top Speed | 164 mph | | |  |
Standing 1/4 mile | 14.60s | | |  |
Power-to-weight | 277.37 hp/ton | 135.24 hp/ton | |  |
Specific Output | 0 hp/cu in | 0 hp/cu in | |
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Engine | V 12 ( 60.0º vee) | Flat 6 | |  |
Valve train | Double overhead camshaft (per bank) | Single overhead camshaft | |  |
Valves | 2 valves per cylinder
24 total valves | 2 valves per cylinder
12 total valves | |  |
Displacement | 240 cu in | 143 cu in | |  |
Bore x Stroke | 3 in x 2 in
1.32 ratio | 3 in x 3 in
1.19 ratio | |  |
Compression ratio | 10.50:1 | 7.50:1 | |  |
Maximum power | 380 hp @ 8000 rpm | 142 hp @ 5600 rpm | |  |
Maximum torque | 266 ft.lb @ 5000 rpm | 145 ft.lb @ 4000 rpm | |  |
Fuel | Petrol | Petrol | |  |
Main bearings | 7 | 8 | |  |
Construction | Light alloy block &
Light alloy head | | |  |
Coolant | Water | Air | |  |
Sump | Wet sumped | Dry sumped | |
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Wheelbase | 96 in | 89 in | |  |
Length | 163 in | 163 in | |  |
Width | 74 in | 64 in | |  |
Height | 42 in | 52 in | |  |
Track | front: 59 in
rear: 60 in | front: 54 in
rear: 53 in | |  |
Ground clearance | 5 in | | |  |
Kerb weight | 3020 lb | 2315 lb | |  |
Weight distribution | 43.00 | | |  |
Fuel capacity | 32 US Gal | 16 US Gal | |
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Engine location | Middle | Rear | |  |
Engine Alignment | Longitudinal | Longitudinal | |  |
Wheel Drive | Rear wheel drive | Rear wheel drive | |  |
Transmission | 5, Manual
| 5, Manual
| |  |
Top gear ratio | 0.78 | | |  |
Steering | Rack & Pinion | Rack & Pinion | |  |
Turns lock-to-lock | 3 | | |  |
Turning circle | 43 ft | 0 ft | |  |
Brakes | front: Disc Ventilated rear: Disc Ventilated servo assisted
| front: Disc Ventilated rear: Disc
| |  |
Brake diameter | front: 12 in
rear: 11 in
| | |  |
Tyres | front: 205/50 R15 rear: 345/35 R15
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