1979 CHEVROLET AXLE IDENTIFICATION CODES I INDICATES POSITRACTIONI Ar ssmzs AssEM3 Y cgbss V 2 29 RATIO 2 41 RATIO I I 2 56 RATIO RING GEAR RING GEAR RING GEAR RA 7450 AZ 7450 RC 7 50 8H 7 50 BZ 7450 BA 7 50 AY 7 50 BY 7 50 I2 73 RATIO A 2 93 RATIO 3 23 RATIO V RING GEAR RING GEAR RING GEAR RD 7 50 AG 7 50 AD 7450 AB 7 50 8G 7 50 8D 7 50 BB 7 50 RX 7 50 52 23 sos RARQ A1 7 so RING GEAR BL 7 50 IRF BC 7 50 AV 7 50 BV 7 50 I B SERIES ASSEMBLY CODES 2 41 RATIO 2 56 RATIO RING GEAR RING GEAR GF IW GA 7 50 MZ 8450 MW 8 50 NR 8450 NB 8 50 MN 8 50 MR 8 50 LA 8 50 LB 8450 YD 8475 VU 8 75 2 73 RATIO 3 08 RATIO RING GEAR RING GEAR GB 7 50 MY 8 50 MV 8 50 NF 8 50 NC 8450 MP 8 50 MS 5 50 LF 8 50 LC 8 50 YJ 8 75 YV 8475 I F SERIES ASSEMBLY CODES 2 41 RATIO 2456 RATIO RING GEAR RING GEAR PS 8450 PT 8 50 PJ 8 50 PH 8 50 2 73 RATIO 3 08 RATIO RING GEAR RING GEAR PA 8 50 PW 8 50 PU 8 50 PC 8 50 3 42 RATIO 3 73 RATIO RING GEAR RING GEAR PV 8450 PZ 8 50 PE 8450 PF 8 50 GM PARTS DIVISION GENERAL MOTORS CORPORATIONeCHEVROI E T I0 32