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Engine | V 8 (90 º vee) | V 12 (60º vee) | V 12 (60.0º vee) | V 6 (90º vee) | |
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Valve train | | Single overhead camshaft | Double overhead camshaft (per bank) | Double overhead camshaft (per bank) | |
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Valves | 2 valves per cylinder
16 total valves | 2 valves per cylinder
24 total valves | 2 valves per cylinder
24 total valves | 4 valves per cylinder
24 total valves | |
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Displacement | 336 cu in | 180 cu in | 268 cu in | 181 cu in | |
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Bore x Stroke | 4 in x 3 in
1.28 ratio | 3 in x 2 in
1.24 ratio | 3 in x 3 in
1.14 ratio | 4 in x 3 in
1.12 ratio | |
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Compression ratio | | 9.8:1 | 9.9:1 | | |
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Maximum power | 491 hp @ 5800 rpm | 300 hp @ 7800 rpm | 450 hp @ 8500 rpm | 245 hp @ 7000 rpm | |
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Maximum torque | 485 ft.lb @ 4800 rpm | | | | |
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Fuel | Petrol | Petrol | Petrol | Petrol | |
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Construction | | Light alloy block &
Light alloy head | Aluminium block &
Aluminium head | Aluminium Alloy block &
Aluminium Alloy head | |
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Sump | Dry sumped | | | | |
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Manufacturer | Chevrolet | | | | |