Bore, stroke, displacement and compression for all 3 Oldsmobile Oldsmobile 303ci engines. Compare variants side by side.
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Oldsmobile 303ci · 3.75" × 3.438" · 7.25:1 | 303 ci | 3.75" × 3.438" | 7.25:1 | 135 |
| Oldsmobile 303ci · 3.75" × 3.438" · 7.5:1 | 303 ci | 3.75" × 3.438" | 7.5:1 | 145–160 |
| Oldsmobile 303ci · 3.75" × 3.438" · 8:1 | 303 ci | 3.75" × 3.438" | 8:1 | 150–165 |