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Engine | Straight 1 | V 12 (180º vee) | V 12 (180º vee) | | Straight 6 | V 12 (65º vee) | |
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Valve train | | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | | Side valves | Double overhead camshaft (per bank) | |
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Valves | | 4 valves per cylinder
48 total valves | 4 valves per cylinder
48 total valves | | 2 valves per cylinder
12 total valves | 5 valves per cylinder
60 total valves | |
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Displacement | 22 cu in | 183 cu in | 183 cu in | | 186 cu in | 244 cu in | |
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Bore x Stroke | | 3 in x 2 in
1.61 ratio | 3 in x 2 in
1.61 ratio | | 3 in x 4 in
0.68 ratio | 3 in x 2 in
1.45 ratio | |
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Compression ratio | | 11.5:1 | 11.5:1 | | | 11.5:1 | |
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Maximum power | 9.5 hp | 515 hp @ 12300 rpm | 510 hp @ 12200 rpm | | 76 hp @ 3400 rpm | 650 hp @ 11500 rpm | |
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Maximum torque | | | | | | 332 ft.lb @ 9000 rpm | |
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Fuel | Petrol | Petrol | Petrol | | Petrol | Petrol | |
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Construction | | Alloy block &
Aluminium head | Light alloy block &
Aluminium head | | | Light alloy block &
Light alloy head | |
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Coolant | | | | | Water | | |
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Manufacturer | | | | | | Ferrari | |