Infiniti VK56DE Specs
Infiniti VK56DE engine specs: 341 ci (5.6L), 8-cylinder, 3.8583" bore x 3.622" stroke, 9.8:1 compression.
Dimensions
| Displacement | 341 ci / 5.6 L |
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| Bore | 3.8583" |
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| Stroke | 3.622" |
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| Cylinders | 8 |
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| Compression ratio | 9.8:1 |
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| Bore/stroke ratio | 1.065 |
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Construction
| Block material | aluminum |
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| Head material | aluminum |
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| Valvetrain | DOHC |
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| Fuel type | gas |
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| Advertised HP | 315 hp |
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What these numbers mean
| Bore/stroke character | 1.065 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,622 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 42.6 ci |
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| Static compression | 9.8:1 — in the range that usually runs on pump premium |
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