Pontiac 350 Specs
Pontiac 350 engine specs: 350 ci (5.7L), 8-cylinder, 3.874" bore x 3.689" stroke, 9.2:1 compression.
Dimensions
| Displacement | 350 ci / 5.7 L |
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| Bore | 3.874" |
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| Stroke | 3.689" |
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| Cylinders | 8 |
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| Compression ratio | 9.2:1 |
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| Bore/stroke ratio | 1.05 |
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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 | 265 hp |
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What these numbers mean
| Bore/stroke character | 1.050 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,689 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 43.8 ci |
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| Static compression | 9.2:1 — low by modern standards, generally happy on regular pump fuel |
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Vehicles (7)
- Pontiac Firebird
- Pontiac Grand Prix
- Pontiac Ventura
- Pontiac LeMans
- Firebird
- LeMans
- Ventura
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