Bore, stroke, displacement and compression for all 6 Pontiac Pontiac 400ci engines. Compare variants side by side.
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Pontiac 400ci · 4.125" × 3.750" · 8.601:1 | 400 ci | 4.125" × 3.75" | 8.601:1 | 255–265 |
| Pontiac 400ci · 4.125" × 3.750" · 10.501:1 | 400 ci | 4.125" × 3.75" | 10.501:1 | 290–350 |
| Pontiac 400ci · 4.125" × 3.750" · 10.751:1 | 400 ci | 4.125" × 3.75" | 10.751:1 | 335–360 |
| Pontiac 400ci · 4.125" × 3.750" · 8.351:1 | 400 ci | 4.125" × 3.75" | 8.351:1 | 170–185 |
| Ponti 1977 400 180HP | 400 ci | 4.125" × 3.75" | 8.561:1 | 180 |
| Ponti 1977 400 200HP | 400 ci | 4.125" × 3.75" | 9.081:1 | 200 |