Bore, stroke, displacement and compression for 7 American Motors engines across 5 families. Free reference with rod ratio and head specs where published.
| Displacement range | 258-390 ci |
|---|---|
| Cylinder counts | 6, 8 |
| Years covered | 1966-1980 |
| Families | 5 |
| Engines | 7 |
| With cylinder head data | 11 engines |
Every engine page lists bore, stroke, displacement, compression and rod ratio, with mean piston speed and bore/stroke character worked out, plus cylinder head specs where published. Each links into the calculators with its own dimensions filled in.