AXI E IDENTIFICATION CODES CONT D INDICATES POSITRACTION 1986 CONT D T 3 36 RATIO GV4 OPTION 3 62 RATIO G75 OPTION CODE RING GEAR CODE RING GEAR 5TA 6 50 5TB 6 50 1987 B 2 56 RATIO GM8 OPTION 2 73 RATIO GU2 OPTION 3 42 RATIO GW6 OPTION CODE RING GEAR CODE RING GEAR CODE RING GEAR 8NP 8 50 8NV 8 50 4ZC 8 50 BGM 7 50 8YB 8 50 4ZM 8 50 5GA 7 50 8YP 8 50 BGS 7 50 8GN 7 50 5GB 7 50 8GT 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 t 1991 GENERAL MOTORS SERVICE PARTS 0PERAT 0NS CHEVROLET 17W 5 000 5 12 6 91