1980 BUICK AXLE IDENTIFICATION B30 ND CATES POSITRACTION A SERIES ASSEMBLY CODES A 2 14 RATIO 2 29 RATIO 2 41 RATIO RING GEAR RING GEAR RING GEAR GAK 7 50 GAH 7 50 GAJ 7 50 6BK 7 50 GAT 7 50 GAZ 7 50 6BH 7 50 6BJ 7 50 6BT 7 50 6BZ 7 50 GRA 7 50 GRB 7 50 2 56 RATIO 2 73 RATIO RING GEAR RING GEAR GAY 7 50 GAB 7 50 6BY 7 50 GAX 7 50 6BB 7 50 6BX 7 50 GRD 7 50 GRX 7 50 3 08 RATIO 3 23 RATIO RING GEAR RING GEAR GAC 7 50 GAU 7 50 B SERIES ASSEMBLY CODES 2 41 RATIO 2 73 RATIO 2 93 RATIO RING GEAR RING GEAR RING GEAR 6GF 7 50 7KC 8 50 GHG 7 50 GJA 8 50 GHB 7 50 7LW 8 50 7KA 8 50 GJC 8 50 GJC 8 50 7LZ 8 50 7LX 8 50 GYE 8 875 GYW 8 875 6NA 8 50 2 56 RATIO 3 08 RATIO 3 23 RATIO RING GEAR RING GEAR RING GEAR 6YU 8 875 GJD 8 50 7KE 8 50 GYD 8 875 7KD 8 50 GJE 8 50 GYJ 8 875 GLF 8 50 6YY 8 875 7 LU 8 50 I 7NY 8 50 GYK 8 875 6YZ 8 875 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION BUICK 41 48