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Engine | Flat 12 | V 8 ( 90.0º vee) | |
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Valve train | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | |
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Valves | 2 valves per cylinder
24 total valves | 4 valves per cylinder
32 total valves | |
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Displacement | 302 cu in | 330 cu in | |
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Bore x Stroke | 3 in x 3 in
1.05 ratio | 4 in x 4 in
0.85 ratio | |
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Compression ratio | 9.20:1 | 8.40:1 | |
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Maximum power | 345 hp @ 6300 rpm | 558 hp @ 6500 rpm | |
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Maximum torque | 333 ft.lb @ 4200 rpm | 500 ft.lb @ 4500 rpm | |
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Maximum RPM | 6600 | 6500 | |
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Fuel | Petrol | Petrol | |
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Catalytic converter | no | yes | |
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Main bearings | 7 | 8 | |
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Construction | Light alloy block &
Light alloy head | Aluminium block &
Aluminium head | |
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Coolant | Water | Water | |
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Sump | Dry sumped | Wet sumped | |