Chevrolet 350ci 11.8:1 Specs
Chevrolet Chevrolet 350ci · 4.065" × 3.370" · 11.8:1 engine specs: 350 ci (5.7L), 8-cylinder, 4.065" bore x 3.37" stroke, 11.8:1 compression.
Dimensions
| Displacement | 350 ci / 5.7 L |
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| Bore | 4.065" |
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| Stroke | 3.37" |
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| Cylinders | 8 |
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| Configuration | V8 |
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| Compression ratio | 11.8:1 |
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| Rod length | 6.35" |
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| Rod ratio | 1.884 |
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| Bore/stroke ratio | 1.206 |
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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 | 350 hp |
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| Years | 2014–2015 |
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What these numbers mean
| Bore/stroke character | 1.206 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,370 ft/min — conservative for a street engine |
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| Rod ratio | 1.884 — long — less side loading on the cylinder wall, favours high RPM |
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| Displacement per cylinder | 43.8 ci |
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| Static compression | 11.8:1 — high enough that pump premium or better is normally required |
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Cylinder head
| Intake valve diameter | 2.165" |
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| Exhaust valve diameter | 1.59" |
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Variants sharing these dimensions (2)
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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| 2014 | 350 hp | — |
| 2015 | 350 hp | — |
Similar engines
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