Bore, stroke, displacement and compression for all 2 American Motors American Motors 390ci engines. Compare variants side by side.
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| American Motors 390ci · 4.165" × 3.574" · 10.2:1 | 390 ci | 4.165" × 3.574" | 10.2:1 | 315 |
| American Motors 390ci · 4.165" × 3.574" · 10:1 | 390 ci | 4.165" × 3.574" | 10:1 | 325–340 |