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Engine | Straight 6 | Straight 6 | Straight 4 | |
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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
24 total valves | 2 valves per cylinder
12 total valves | 2 valves per cylinder
8 total valves | |
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Displacement | 243 cu in | 210 cu in | 122 cu in | |
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Bore x Stroke | 4 in x 4 in
0.89 ratio | 3 in x 4 in
0.78 ratio | 3 in x 4 in
0.82 ratio | |
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Compression ratio | 8.50:1 | 9.00:1 | 7.00:1 | |
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Maximum power | 355 hp @ 5000 rpm | 203 hp @ 5800 rpm | 107 hp @ 5000 rpm | |
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Maximum torque | 400 ft.lb @ 3500 rpm | 220 ft.lb @ 3900 rpm | | |
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Fuel | Petrol | Petrol | Petrol | |
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Construction | | | Cast iron block &
Aluminium head | |
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Coolant | Water | Water | Water | |
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Sump | | | Wet sumped | |