Mercury 3 7 Duratec V6 Specs
Mercury 3 7 Duratec V6 engine specs: 227 ci (3.7L), 6-cylinder, 3.7598" bore x 3.4134" stroke, 10.5:1 compression.
Dimensions
| Displacement | 227 ci / 3.7 L |
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| Bore | 3.7598" |
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| Stroke | 3.4134" |
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| Cylinders | 6 |
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| Compression ratio | 10.5:1 |
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| Bore/stroke ratio | 1.101 |
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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 | 305 hp |
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What these numbers mean
| Bore/stroke character | 1.101 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,413 ft/min — conservative for a street engine |
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| Displacement per cylinder | 37.8 ci |
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| Static compression | 10.5:1 — in the range that usually runs on pump premium |
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