Bore, stroke, displacement and compression for all 3 Pontiac Pontiac 250ci engines. Compare variants side by side.
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Ponti 1975 250 105HP | 250 ci | 3.875" × 3.53" | 9.201:1 | 105 |
| Pontiac 250ci · 3.877" × 3.535" · 9:1 | 250 ci | 3.877" × 3.535" | 9:1 | 175 |
| Pontiac 250ci · 3.877" × 3.535" · 10.5:1 | 250 ci | 3.877" × 3.535" | 10.5:1 | 215–230 |