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Engine | Straight 4 | V 12 (65º vee) | | | | V 6 | |
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Valve train | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | | Double overhead camshaft (per bank) | | | |
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Valves | 4 valves per cylinder
16 total valves | 5 valves per cylinder
60 total valves | | 2 valves per cylinder
| | 4 valves per cylinder
24 total valves | |
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Displacement | 122 cu in | 213 cu in | 122 cu in | 91 cu in | 183 cu in | 214 cu in | |
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Bore x Stroke | 3 in x 3 in
1 ratio | 3 in x 2 in
1.6 ratio | | 3 in x 2 in
1.21 ratio | | | |
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Compression ratio | 8.5:1 | 11.5:1 | | 10.5:1 | | | |
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Maximum power | | 600 hp @ 12500 rpm | 300 hp | 184 hp @ 9300 rpm | | 340 hp | |
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Fuel | Petrol | Petrol | | Petrol | | | |
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Catalytic converter | yes | no | no | no | no | no | |
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Construction | | Cast iron block &
Light alloy head | | Aluminium block &
Aluminium Alloy head | | | |
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Coolant | Water | | | | | | |
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Intercooler | yes | | | | | | |