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Engine | V 8 (75º vee) | | | V 12 (180º vee) | V 12 (60º 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 | 4 valves per cylinder
32 total valves | | | 4 valves per cylinder
48 total valves | 4 valves per cylinder
48 total valves | |
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Displacement | 214 cu in | 181 cu in | 302 cu in | 183 cu in | 182 cu in | |
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Bore x Stroke | | 3 in x 3 in
0.96 ratio | | 3 in x 2 in
1.52 ratio | 3 in x 2 in
1.44 ratio | |
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Compression ratio | | 6.35/6.7:1 | | 11.5:1 | 11:1 | |
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Maximum power | 650 hp @ 11500 rpm | 483 hp @ 7800 rpm | 500 hp | 450 hp @ 11500 rpm | 430 hp @ 9800 rpm | |
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Fuel | | | | Petrol | Petrol | |
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Construction | | | | Light alloy block &
Light alloy head | Light alloy block &
Light alloy head | |