AXLE IDENTIFICATION CODES CONT D INDIOATES POSITRACTION 1987 B 2 56 RATIO GM8 OPTION 2 73 RATIO GU2 OPTION 3 42 RATIO GU6 OPTION CODE RING GEAR CODE RING GEAR CODE RING GEAR 8NP 8 50 8NV 8 50 4ZC 8 50 5GA 7 50 8YB 8 50 4ZM 8 50 8GM 7 50 8YP 8 50 8GS 7 50 8GN 7 50 5G8 7 50 BCT 7 50 3 08 RATIO GU4 OPTION 3 23 RATIO GU5 OPTION CODE RING GEAR CODE RING GEAR 8NX 8 50 8NY 8 50 8LG 8 50 8LH 8 50 8ZE 8 50 8YE 8 50 8ZV 8 50 8YS 8 50 8DG 8 50 8DX 8 50 8YD 8 50 8YR 8 50 2YL 8 50 2YY 8 50 G 2 14 RATIO G72 OPTION 2 29 RATIO GH2 OPTION 2 41 RATIO GU1 OPTION CODE RING GEAR CODE RING GEAR CODE RING GEAR 2AK 7 50 2AH 7 50 2AJ 7 50 28K 7 50 28H 7 50 2AZ 7 50 28J 7 50 2BZ 7 50 2 56 RATIO GM8 OPTION 2 73 RATIO GU2 OPTION 3 08 RATIO GU4 OPTION CODE RING GEAR CODE RING GEAR CODE RING GEAR 2AA 7 50 2AB 7 50 2AC 7 50 2AY 7 50 2AX 7 50 2AV 7 50 28A 7 50 288 7 50 2BC 7 50 28Y 7 50 28X 7 50 28V 7 50 3 23 RATIO GU5 OPTION 3 42 RATIO GU6 OPTION 3 73 RATIO GT4 OPTION CODE RING GEAR CODE RING GEAR CODE RING GEAR 2AD 7 50 2TJ 8 50 2TF 7 625 2BD 7 50 3TJ 8 50 2TG 8 50 2T 8 50 2TH 7 625 3T 8 50 2TR 8 50 3TG 8 50 3TR 8 50 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS 0LDSMOB LE 32W i j 5 000 5 14 6 91