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Engine | | Flat 4 | V 12 (180º vee) | V 12 (180º vee) | V 12 (180º 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) | |
|
Valves | | 2 valves per cylinder
8 total valves | 2 valves per cylinder
24 total valves | 2 valves per cylinder
24 total valves | 2 valves per cylinder
24 total valves | |
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Displacement | 91 cu in | 91 cu in | 274 cu in | 274 cu in | 299 cu in | |
|
Bore x Stroke | | 3 in x 3 in
1.29 ratio | 3 in x 3 in
1.27 ratio | 3 in x 3 in
1.27 ratio | 3 in x 3 in
1.22 ratio | |
|
Compression ratio | | 9.80:1 | 10.5:1 | 10.5:1 | | |
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Maximum power | 120 hp | 150 hp @ 8000 rpm | 580 hp @ 8400 rpm | 580 hp @ 8400 rpm | 600 hp @ 8300 rpm | |
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Maximum torque | | 108 ft.lb @ 6300 rpm | 376 ft.lb @ 6600 rpm | 376 ft.lb @ 6600 rpm | 415 ft.lb @ 6400 rpm | |
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Fuel | | Petrol | Petrol | Petrol | Petrol | |
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Construction | | | Alloy block &
Aluminium head | Aluminium block &
Aluminium head | | |
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Coolant | | Air | | | | |