CORVETTE ENGINE SERIES NUMBER AND SUFFIX CHART Cont I V11 1976 1977 350 CID 350 CID CLM I 4 CHC CK2 CLD CLR 44 CHR CLA CLF I CLS I 4 4 I CKC CLB I CKW CLC I I CKX CHD CLS I 4 I I CKD I I 1978 350L CID L4B OPT 35DH CID LB2 OPT T VIN L I VIN H Calif I CLR MIT II I CMR Alt I I I I CLS A T I CMS A T wIFed I CUT M T I CHW I I CLM 1979 350 B CID L48 OPT 350 4 CID L82 OPT VIN B I VIN 4 M T I I ZAA M T I ZBA A TI wIFed L ZAB A T II ZEB I CaIiI I II ZAC I I Alr I I ZAD 1980 1981 305 H LGA AIT I ZCA 350 6 IL81 MIT Fed II ZDA 350 8 L48 M T I I ZAM I350 6 ILBI A T Calif I ZDB I 350 8 IL48 A T I I I ZAK 350 6 ILBII MIT Calif I I I ZDC 350 6 I 82 M T I ZBD 350 6 LSI A T Fed ZDD I 350 6 LB2 A T I I I ZBC I I I 1982 I I 350 8 IL83 w A TI Fed I I ZBA 350 8 LB3I w A T CaIiI ZBC I 350 B LSB wlCa iI I I ZFN 1978 TRANSMISSION IDENTIFICATION CODES M20 4 SPD MAN I M21 4 SPD MAN I I ZU S6 ZW M38 3 SPD AT SWB 5TL I 1979 TRANSMISSION IDENTIFICATION CODES M20 4 SPD MAN M21 45PD MAN I UH UK I Warner WARNER Ii 138 3 SPD A T TB WB VIAREHOUSIIIG AND DISTRIBUTION DIVISION 0F GENERAL MOTORS CORPORATION SHEVROLET 14A REV 12 83 15 A I 6