Pontiac 207ci 10:1 Specs
Pontiac Pontiac 207ci · 3.620" × 2.310" · 10:1 engine specs: 207 ci (3.4L), 6-cylinder, 3.62" bore x 2.31" stroke, 10:1 compression.
Dimensions
| Displacement | 207 ci / 3.4 L |
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| Bore | 3.62" |
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| Stroke | 2.31" |
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| Cylinders | 6 |
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| Configuration | I6 |
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| Compression ratio | 10:1 |
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| Rod length | 5.7" |
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| Rod ratio | 2.468 |
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| Bore/stroke ratio | 1.567 |
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Construction
| Block material | cast iron |
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| Head material | cast iron |
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| Valvetrain | OHV |
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| Fuel type | gas |
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| Advertised HP | 170 hp |
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| Years | 2000–2005 |
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What these numbers mean
| Bore/stroke character | 1.567 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 2,310 ft/min — conservative for a street engine |
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| Rod ratio | 2.468 — long — less side loading on the cylinder wall, favours high RPM |
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| Displacement per cylinder | 34.5 ci |
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| Static compression | 10:1 — in the range that usually runs on pump premium |
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Variants sharing these dimensions (6)
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
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| 2000 | 170 hp | — |
| 2001 | 170 hp | — |
| 2002 | 170 hp | — |
| 2003 | 170 hp | — |
| 2004 | 170 hp | — |
| 2005 | 170 hp | — |
Similar engines
← All Pontiac 207ci engines