1983 AXLE IDENTIFICATION CODES CONT D INDICATES POSITRACTION B 2 41 RATIO GU1 OPTION 2 56 RATIO GM8 OPTION 2 73 RATIO GU2 OPTION CODE RING GEAR CODE RING GEAR CODE RING GEAR ZN 8 50 GA 7 50 GB 7 50 GF 7 50 ZP 8 50 20 8 50 YA 8 50 YB 8 50 YN 8 50 YP 8 50 GU3 2 93 RATIO GW9 OPTION CODE RING GEAR GG 7 50 ZR 8 50 YC 8 50 YQ 8 50 G 2 14 RATIO G72 OPTION 2 29 RATIO GH2 OPTION 2 39 RATIO GM7 OPTION CODE RING GEAR CODE RING GEAR CODE RING GEAR RH 7 50 RA 7 50 AP 7 50 CA 7 50 CB 7 50 RJ 7 50 AK 7 50 AH 7 50 BK 7 50 AN 7 50 CO 7 50 CP 7 50 RR 7 50 BH 7 50 CF 7 50 RT 7 50 AR 7 50 AT 7 50 CS 7 50 CG 7 50 BR 7 50 BT 7 50 BN 7 50 CT 7 50 2 41 RATIO GU1 OPTION 2 56 RATIO GM8 OPTION 2 73 RATIO GU2 OPTION CODE RING GEAR CODE RING GEAR CODE RING GEAR RB 7 50 RC 7 50 RD 7 50 CC 7 50 CE 7 50 CD 7 50 AJ 7 50 AA 7 50 AB 7 50 AM 7 50 CN 7 50 AL 7 50 BM 7 50 BA 7 50 BL 7 50 CG 7 50 CI 7 50 CR 7 50 BJ 7 50 AY 7 50 BB 7 50 RZ 7 50 CV 7 50 RX 7 50 CH 7 50 BY 7 50 CJ 7 50 AZ 7 50 RY 7 50 AX 7 50 BZ 7 50 CL 7 50 CW 7 50 CU 7 50 CY 7 50 BX 7 50 CK 7 50 CM 7 50 CX 7 50 CZ 7 50 Y 1990 GENERAL MOTORS SERVICE PARTS 0F ERATl0NS PONT AC 22W T REV 6 90 5 3 5 000