Engine Code
Six cylinder engine codes are stamped on right side of engine block to rear of distributor. Eight cylinder engine codes are located on front of right hand cylinder bank.
| Engine Code | Displ. & Carb. | Comp. Ratio |
|---|---|---|
| W6, Y6, CBG, CBJ, CBA, CBC | 250" 6 1-Bbl. | 8.5-1 |
| CKG, CKH, CAY, CAZ | 307" V8 2-Bbl. | 8.0-1 |
| WR, YV, YR | 350" V8 2-Bbl. | 8.0-1 |
| YX, ZX | 400" V8 2-Bbl. | 8.2-1 |
| YH, ZH | 455" V8 2-Bbl. | 8.2-1 |
| YA, YC | 455" V8 4-Bbl. | 8.2-1 |
| WM, YB | 455" V8 4-Bbl. H.O. | 8.4-1 |