B11 1977 BUICK ENGINE IDENTIFICATION X SERIES ASSEMBLY c0D Es 231 CID LD7 OPT 301 CID L27 OPT 350 CID L34 OPT VIN C VIN Y VIN R SG SK SN YF TX O8 SI SL ST YJ TY O9 SJ SM SU RA RB 305 CID LG3 OPT 350 CID LM1 OPT VIN U I VIN L CPA CPY CKR CKM 1977 ENGINE AND TRANSMISSION USAGE CUBIC ENGINE CARB ENGINE I TRANS DISP TYPE B RRELS OPTION USAGE C 231 3 8 V6 2 LD7 Buick A B H X M15 M20 M75 M29 M38 H 350 5 7 V8 2 L32 Buick A M38 J 350 5 7 V8 4 L77 Buick A B C M38 M40 K 403 6 6 V8 4 L80 Olds A B C M38 M40 L 350 5 7 V8 4 LM1 Chev A X M38 R 350 5 7 V8 4 L34 Olds A B C X M29 M38 M40 U 305 5 0 V8 2 LG3 Chev X M38 Y 301 5 0 V8 2 L27 Pont B X M29 M38 B 1 8 Liter 1 8 L4 2 Chev T M20 M38 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION BUlCK 41 23