 |
| Type | Single Seater | Fixed-head coupé | | |
| Seats | 1 | 2 | | |
| Doors | | 2 | |
|
| Power-to-weight | 648.39 hp/ton | 278.75 hp/ton | | |
| Specific Output | 0 hp/cu in | 0 hp/cu in | |
|
| Engine | V 8 (90º vee) | V 12 | | |
| Valve train | | Single overhead camshaft | | |
| Valves | | 2 valves per cylinder
24 total valves | | |
| Displacement | 256 cu in | 181 cu in | | |
| Bore x Stroke | | 3 in x 3 in
1 ratio | | |
| Compression ratio | | 8.50:1 | | |
| Maximum power | 603 hp | 223 hp @ 7000 rpm | | |
| Maximum RPM | 9000 | | | |
| Fuel | Petrol | Petrol | | |
| Coolant | | Water | | |
| Sump | Dry sumped | | | |
| Manufacturer | Gibson | | | |
| Code | GK-428 | | |
|
| Wheelbase | 118 in | 94 in | | |
| Length | 187 in | | | |
| Width | 75 in | | | |
| Height | 41 in | | | |
| Track | front: 62 in
rear: 61 in | front: 51 in
rear: 52 in | | |
| Kerb weight | 2050 lb | 1764 lb | |
|
| Engine location | | Front | | |
| Engine Alignment | | Longitudinal | | |
| Wheel Drive | | Rear wheel drive | | |
| Transmission | 6, sequential manual
| 4, Manual
| | |
| Top gear ratio | | 0.91 | | |
| Brakes | front: Disc Ventilated
rear: Disc Ventilated
| | | |
| Wheels | front: 12.5 18
rear: 13 18
| | | |
| Tyres | front: 30/68 R18
rear: 31/71 R18
| | |
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