Engine Identification
Engine Code letters are suffix of Engine Identification Number. Number is stamped on a pad on front right hand side of cylinder block.
| Application | Code |
|---|---|
| 307" Man. Trans. | UA, UB, UO, UP, UG, UH |
| 307" Auto. Trans. | UC, UD, UE, UF, UM, UN, UQ, UI, UJ, UK, UL |
| 350" Man. Trans. | XA, XB, XW, XX |
| 350" Auto. Trans. | XC, XD, XO, XY, XZ, WA |
| 396" Man. Trans. | YR, YS |
| 396" Auto. Trans. | YP, YQ |