Oldsmobile Oldsm 1976 350 170HP Specs
Oldsmobile Oldsm 1976 350 170HP engine specs: 350 ci (5.7L), 8-cylinder, 4.057" bore x 3.385" stroke, 9.061:1 compression.
Dimensions
| Displacement | 350 ci / 5.7 L |
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| Bore | 4.057" |
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| Stroke | 3.385" |
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| Cylinders | 8 |
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| Configuration | V8 |
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| Compression ratio | 9.061:1 |
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| Rod length | 6.002" |
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| Rod ratio | 1.773 |
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| Bore/stroke ratio | 1.199 |
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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 | 1976 |
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What these numbers mean
| Bore/stroke character | 1.199 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,385 ft/min — conservative for a street engine |
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| Rod ratio | 1.773 — 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 | 9.061:1 — low by modern standards, generally happy on regular pump fuel |
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Cylinder head
| Intake valve diameter | 1.88" |
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| Exhaust valve diameter | 1.627" |
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