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Engine | V 12 (65º vee) | V 12 | V 12 (65º vee) | V 8 (90.0º vee) | V 8 (90.0º vee) | |
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Valve train | Double overhead camshaft (per bank) | | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | |
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Valves | 5 valves per cylinder
60 total valves | | 4 valves per cylinder
48 total valves | 4 valves per cylinder
32 total valves | 4 valves per cylinder
32 total valves | |
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Displacement | 213 cu in | 397 cu in | 382 cu in | 232 cu in | 232 cu in | |
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Bore x Stroke | 3 in x 2 in
1.84 ratio | | 4 in x 3 in
1.25 ratio | | | |
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Compression ratio | 13:1 | | 13.5:1 | 10.3 | 10.3 | |
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Combined Power | | | | 916 | 916 | |
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Maximum power | 740 hp @ 15000 rpm | 740 hp | 740 hp @ 8500 rpm | 737 hp @ 7300 rpm | 737 hp @ 7300 rpm | |
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Maximum torque | | | 509 ft.lb @ 6000 rpm | 664 ft.lb | 664 ft.lb | |
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Fuel | Petrol | Petrol | Petrol | Petrol / Electric | Petrol / Electric | |
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Catalytic converter | no | no | no | yes | yes | |
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Main bearings | | | | 7 | 7 | |
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Construction | Cast iron block &
Light alloy head | | | Aluminium block &
Aluminium head | Aluminium block &
Aluminium head | |
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Coolant | | | | Water | Water | |
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Intercooler | | | | yes | yes | |
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Sump | | | | Dry sumped | Dry sumped | |
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Manufacturer | | | | RICARDO PLC | RICARDO PLC | |
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Maximum Power | | | | | | |
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Maximum Torque | | | | | | |
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Maximum Torque RPM | | | | 4000 | 4000 | |