Mitsubishi 6A12 Specs
Mitsubishi 6A12 engine specs: 122 ci (2L), 6-cylinder, 3.0866" bore x 2.7165" stroke, 10:1 compression.
Dimensions
| Displacement | 122 ci / 2 L |
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| Bore | 3.0866" |
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| Stroke | 2.7165" |
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| Cylinders | 6 |
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| Compression ratio | 10:1 |
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| Bore/stroke ratio | 1.136 |
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Construction
| Block material | cast iron |
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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 | 197 hp |
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What these numbers mean
| Bore/stroke character | 1.136 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 2,717 ft/min — conservative for a street engine |
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| Displacement per cylinder | 20.3 ci |
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| Static compression | 10:1 — in the range that usually runs on pump premium |
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