Oldsmobile 215 Specs
Oldsmobile 215 engine specs: 215 ci (3.5L), 8-cylinder, 3.5" bore x 2.7992" stroke, 8.75:1 compression.
Dimensions
| Displacement | 215 ci / 3.5 L |
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| Bore | 3.5" |
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| Stroke | 2.7992" |
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| Cylinders | 8 |
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| Compression ratio | 8.75:1 |
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| Bore/stroke ratio | 1.25 |
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Construction
| Block material | aluminum |
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| Head material | aluminum |
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| Valvetrain | OHV |
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| Fuel type | gas |
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| Advertised HP | 155 hp |
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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 | 2,799 ft/min — conservative for a street engine |
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| Displacement per cylinder | 26.9 ci |
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| Static compression | 8.75:1 — low by modern standards, generally happy on regular pump fuel |
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