Oldsmobile Quad 4 10:1 Specs
Oldsmobile Quad 4 · 3.622" × 3.346" · 10:1 engine specs: 138 ci (2.3L), 4-cylinder, 3.622" bore x 3.3465" stroke, 10:1 compression.
Dimensions
| Displacement | 138 ci / 2.3 L |
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| Bore | 3.622" |
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| Stroke | 3.3465" |
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| Cylinders | 4 |
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| Compression ratio | 10:1 |
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| Bore/stroke ratio | 1.082 |
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Construction
| Block material | cast iron |
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| Head material | aluminum |
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| Valvetrain | DOHC |
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| Fuel type | gas |
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| Advertised HP | 180–190 hp |
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What these numbers mean
| Bore/stroke character | 1.082 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,347 ft/min — conservative for a street engine |
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| Displacement per cylinder | 34.5 ci |
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| Static compression | 10:1 — in the range that usually runs on pump premium |
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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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| — | 180 hp | LG0 |
| — | 180 hp | LG0 |
| — | 190 hp | LG0 W41 |
Vehicles (5)
- Oldsmobile Cutlass Calais
- Oldsmobile Achieva SCX
- Oldsmobile Achieva
- Pontiac Grand Am
- Oldsmobile Cutlass Calais Quad 442
Similar engines
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