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Engine | V 12 (60º vee) | Straight 6 | Straight 6 | Straight 6 | Straight 6 | Straight 6 | |
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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) | 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
12 total valves | 2 valves per cylinder
12 total valves | 2 valves per cylinder
12 total valves | 2 valves per cylinder
12 total valves | 2 valves per cylinder
12 total valves | |
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Displacement | 305 cu in | 231 cu in | 231 cu in | 210 cu in | 210 cu in | 258 cu in | |
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Bore x Stroke | 3 in x 3 in
1.24 ratio | 3 in x 4 in
0.82 ratio | 3 in x 4 in
0.82 ratio | 3 in x 4 in
0.78 ratio | 3 in x 4 in
0.78 ratio | 4 in x 4 in
0.87 ratio | |
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Compression ratio | 10.40:1 | 9.00:1 | 9.00:1 | 9.00:1 | 9.00:1 | 8.70:1 | |
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Maximum power | 509 hp @ 7600 rpm | 269 hp @ 5500 rpm | 269 hp @ 5500 rpm | 254 hp @ 6000 rpm | 203 hp @ 5800 rpm | 208 hp @ 5000 rpm | |
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Maximum torque | 386 ft.lb @ 6300 rpm | 260 ft.lb @ 4000 rpm | 260 ft.lb @ 4000 rpm | 242 ft.lb @ 4000 rpm | 220 ft.lb @ 3900 rpm | 236 ft.lb @ 3750 rpm | |
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Fuel | Petrol | Petrol | Petrol | Petrol | Petrol | Petrol | |
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Main bearings | | | | | | 7 | |
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Construction | Aluminium Alloy block &
Aluminium Alloy head | | | | | | |
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Coolant | Water | Water | Water | Water | Water | Water | |
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Sump | | | | Dry sumped | | | |