Engine Identification Code
Engine code is stamped on right front side of engine block, near water pump. Engine code is found on labels located on both valve covers.
ENGINE CODE
| Application | Codes | ||
|---|---|---|---|
| 1975 | FP, FR, FS | ||
| 1976 | |||
| 231" (VIN C) | FH, Fl, FJ, FO | ||
| 1977 | |||
| 231" (VIN C) | |||
| California | SB, SE, SI, SK, SU, SY | ||
| Federal | SA, SD, SG, SI, SW | ||
| High Altitude | SF, SM, SN | ||
| 1978 | |||
| 231" (VIN A) | |||
| California | EE, EK, EL, OD, OE, OK | ||
| Federal | EA, EB, EC, ED, EH, El, EJ, EM, EN, OA, OB, OH | ||
| High Altitude | EG, OC, OF | ||
| 1979 | |||
| 231" (VIN A) | NA, NB, NC, NE, NF, NG, NH, NK | ||
| NJ, NL, NM, RA, RB, RC, RF, RG, RJ, RW, RY, SJ, SK, SL, SM, SO, SP, SR, SS | |||
| 231" (VIN 2) | RM, RN | ||