I GM77 1981 AXLE IDENTIFICATION CODES A SERIES I INDICATES POSITRATIONI 2 29 RATIO 2 41 RATIO 2 56 RATIO CODE RING GEAR I CODE RING GEAR CODE RING GEAR AH 7 50 AJ 7 50 AY 7 50 AT 7 50 AZ 7 50 BV 7 50 EH 7 50 BJ 7 50 BT 7 50 82 7 50 2 73 RATIO 2 93 RATIO 3 08 RATIO CODE RING GEAR CODE RING GEAR CODE RING GEAR AB 7 50 AG 7 50 AC 7 50 AX 7 50 AW 7 50 AV 7 50 88 7 50 BG 7 50 BC 7 50 8X 7 50 BW 7 50 RX 7 50 3 23 RATIO CODE RING GEAR AU 7 50 8U 7 50 B SERIES INDICATES POSITRACTIONI 2 41 RATIO 2 56 RATIO 2 73 RATIO CODE RING GEAR CODE RING GEAR CODE RING GEAR FA 7 50 GA 7 50 FC 7 50 GF 7 50 HA 7 50 G8 7 50 HF 7 50 LY 8 50 H8 7 50 LA 8 50 VD 8 875 LX 7 50 LZ 8 50 VU 8 875 WE 8 875 WC 8 875 WW 8 875 WT 8 875 YE 8 875 VC 8 875 VW 8 875 YT 8 875 2 93 RATIO 3 08 RATIO I 3 23 RATIO CODE RING GEAR CODE RING GEAR CODE RING GEAR FB 7 50 LE 8 50 LF 8 50 GG 7 50 LV 8 50 LU 8 50 LW 8 50 WJ J 8 875 WK 0875 WY 8 875 WY 8 875 WZ 8 875 VJ 8 875 VK 8 875 VY 8 875 YZ 8 875 GM PARTS DIVlSION GENERALMOTORS CORPORATION CHEVROLEfI I0 48