Porsche M97/01 Specs
Porsche M97/01 engine specs: 233.3 ci (3.8L), 6-cylinder, 3.8976" bore x 3.2598" stroke, 11.8:1 compression.
Dimensions
| Displacement | 233.3 ci / 3.8 L |
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| Bore | 3.8976" |
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| Stroke | 3.2598" |
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| Cylinders | 6 |
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| Compression ratio | 11.8:1 |
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| Bore/stroke ratio | 1.196 |
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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 | 355 hp |
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What these numbers mean
| Bore/stroke character | 1.196 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,260 ft/min — conservative for a street engine |
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| Displacement per cylinder | 38.9 ci |
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| Static compression | 11.8:1 — high enough that pump premium or better is normally required |
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