Engine Identification
Engines can be identified by a code tape, containing engine code letters, installed directly above engine unit number on oil fill tube.
| Application | Code | |
|---|---|---|
| 350" | ||
| Federal | QB, QC, QL, QO, QU, QW | |
| Calif. | TB, TL, TC, TO | |
| 455" | ||
| Federal | UL, UV, UX, UC, UB, UD, UN, UA, UR, UO, UP | |
| Calif. | VL, VC, VD, VP, VA, VB, VO | |