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Engine | V 6 | V 8 ( 90.0º vee) | V 8 ( 90.0º vee) | V 6 ( 60.0º 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
24 total valves | 4 valves per cylinder
32 total valves | 4 valves per cylinder
32 total valves | 4 valves per cylinder
24 total valves | |
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Displacement | 181 cu in | 259 cu in | 286 cu in | 194 cu in | |
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Bore x Stroke | 4 in x 3 in
1.28 ratio | 4 in x 3 in
1.15 ratio | 4 in x 3 in
1.04 ratio | 4 in x 3 in
1.19 ratio | |
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Compression ratio | | | | 10.50:1 | |
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Maximum power | | 406 hp @ 7000 rpm | 450 hp @ 7000 rpm | 249 hp @ 6200 rpm | |
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Maximum torque | | 325 ft.lb @ 4500 rpm | 347 ft.lb @ 4750 rpm | 221 ft.lb @ 4800 rpm | |
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Maximum RPM | | | 7500 | | |
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Fuel | | Petrol | Petrol | Petrol | |
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Catalytic converter | no | yes | yes | yes | |
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Main bearings | | | 5 | | |
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Construction | | | Aluminium block &
Alloy head | | |
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Coolant | Water | Water | Water | Water | |
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Sump | | Dry sumped | | | |