Bore, stroke, displacement and compression for all 2 Pontiac Pontiac 428ci engines. Compare variants side by side.
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Ponti 1967 428 360HP | 428 ci | 4.125" × 4" | 10.501:1 | 360 |
| Ponti 1967 428 376HP | 428 ci | 4.125" × 4" | 10.751:1 | 376 |