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Engine | Straight 4 | V 6 | V 8 ( 90.0º vee) | |
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Valve train | Overhead valves | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | |
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Valves | 2 valves per cylinder
8 total valves | 4 valves per cylinder
24 total valves | 2 valves per cylinder
16 total valves | |
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Displacement | 99 cu in | 182 cu in | 288 cu in | |
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Bore x Stroke | 3 in x 4 in
0.72 ratio | 4 in x 3 in
1.15 ratio | 4 in x 3 in
1.11 ratio | |
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Compression ratio | | 10.20:1 | 8.50:1 | |
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Maximum power | 36 hp @ 3200 rpm | 274 hp @ 7300 rpm | 294 hp @ 5500 rpm | |
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Maximum torque | | 210 ft.lb @ 6500 rpm | 282 ft.lb @ 3800 rpm | |
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Maximum RPM | | 8000 | 6000 | |
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Fuel | Petrol | Petrol | Petrol | |
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Catalytic converter | no | yes | no | |
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Main bearings | | | 5 | |
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Construction | | Aluminium block &
Aluminium head | Light alloy block &
Light alloy head | |
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Coolant | Water | Water | Water | |
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Sump | | Wet sumped | Wet sumped | |