Chevrolet 265ci 10.7:1 Specs
Chevrolet Chevrolet 265ci · 3.750" × 3.000" · 10.7:1 engine specs: 265 ci (4.3L), 8-cylinder, 3.75" bore x 3" stroke, 10.7:1 compression.
Dimensions
| Displacement | 265 ci / 4.3 L |
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| Bore | 3.75" |
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| Stroke | 3" |
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| Cylinders | 8 |
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| Configuration | V8 |
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| Compression ratio | 10.7:1 |
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| Rod length | 5.964" |
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| Rod ratio | 1.988 |
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| Bore/stroke ratio | 1.25 |
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| Piston deck clearance | 0.015" |
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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 | 200 hp |
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| Years | 1994–1996 |
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What these numbers mean
| Bore/stroke character | 1.250 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,000 ft/min — conservative for a street engine |
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| Rod ratio | 1.988 — long — less side loading on the cylinder wall, favours high RPM |
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| Displacement per cylinder | 33.1 ci |
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| Static compression | 10.7:1 — in the range that usually runs on pump premium |
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Cylinder head
| Intake valve diameter | 1.84" |
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| Exhaust valve diameter | 1.5" |
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Variants sharing these dimensions (3)
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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| 1994 | 200 hp | — |
| 1995 | 200 hp | — |
| 1996 | 200 hp | — |
Similar engines
Source: NHRA blueprints — nhra.net blueprints
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