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Engine | Straight 4 | Straight 4 | V 8 (90º vee) | V 12 (60º vee) | V 12 (60º vee) | |
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Valve train | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | Single overhead camshaft | Single overhead camshaft | |
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Valves | 2 valves per cylinder
8 total valves | | 4 valves per cylinder
32 total valves | 2 valves per cylinder
24 total valves | 2 valves per cylinder
24 total valves | |
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Displacement | 152 cu in | 180 cu in | 179 cu in | 250 cu in | 276 cu in | |
|
Bore x Stroke | 4 in x 4 in
1.04 ratio | 4 in x 4 in
1.13 ratio | 3 in x 3 in
1.14 ratio | 3 in x 3 in
1.18 ratio | 3 in x 3 in
1.24 ratio | |
|
Compression ratio | 9:1 | 9:1 | 8.8:1 | 8:1 | 8.4:1 | |
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Maximum power | 220 hp @ 7000 rpm | 225 hp @ 6800 rpm | 240 hp @ 7000 rpm | 200 hp @ 5000 rpm | 300 hp @ 6500 rpm | |
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Fuel | Petrol | Petrol | Petrol | Petrol | Petrol | |
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Construction | Light alloy block &
Light alloy head | | Light alloy block &
Light alloy head | Light alloy block &
Light alloy head | Light alloy block &
Light alloy head | |