P374 1981 AXLE IDENTIFICATION CODES I Continued F SERIES INDICATES POSITRACTION 2 41 RATIO 2 56 RATIO 2 73 RATIO CODE RING GEAR CODE RING GEAR CODE RING GEAR PJ 8 50 PH 8 50 PA I 8 50 PS 8 50 PT 8 50 PU 8 50 P 8 50 3 08 RATIO 3 23 RATIO 3 42 RATIO CODE RING GEAR CODE RING GEAR CODE RING GEAR PC 8 50 PD 8 50 PE 8 50 PO 8 50 PX 8 50 PY 8 50 PV 8 50 T SERIES INDICATES POSITRACTION 3 36 RATIO 3 70 RATIO CODE RING GEAR CODE RING GEAR OR 6 50 OA 6 50 OS 6 50 OB 6 50 OF 6 50 1987 GENERAL MOTORS SERVICE PARTS OF ERATIONS PONTIAC 21 52