Bore, stroke, displacement and compression for all 6 GMC Oldsmobile V8 engines. Compare variants side by side.
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| 425 | 425 ci | 4.126" × 4" | 10.25:1 | 370 |
| 403 | 403 ci | 4.126" × 3.752" | 8:1 | 185 |
| 400 | 400 ci | 4.063" × 4.248" | 10.5:1 | 345 |
| 350 | 350 ci | 4" × 3.5" | 9:1 | 310 |
| 330 | 330 ci | 3.8189" × 3.5" | 10.25:1 | 260 |
| 307 | 307 ci | 3.7992" × 3.3819" | 8:1 | 140 |