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Engine | V 12 (60º vee) | | Straight 4 | |
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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 | | 2 valves per cylinder
8 total valves | |
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Displacement | 305 cu in | | 121 cu in | |
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Bore x Stroke | 3 in x 3 in
1.24 ratio | | 4 in x 3 in
1.15 ratio | |
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Compression ratio | 10.40:1 | | 8.75:1 | |
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Maximum power | 509 hp @ 7600 rpm | | 193 hp @ 7000 rpm | |
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Maximum torque | 386 ft.lb @ 6300 rpm | | 151 ft.lb @ 5500 rpm | |
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Fuel | Petrol | | Petrol | |
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Construction | Aluminium Alloy block &
Aluminium Alloy head | | | |
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Coolant | Water | | Water | |