1982 SPEEDO GEAR USAGE CHART X CAR CORt1hUGd D D A R G R G D I E I E A V A V A P TIRE SIZE AXLE TRANS E R E R 1T N FI P205 70R13 M19 14 C P P185 80R13 u Q P205 7OR13 13 155 M34 E N NOTE1 13 1ST DESIGN STEEL MATERIAL DRIVE GEAR 14 2ND DESIGN PLASTIC MATERIAL DRIVE GEAR L 1991 GENERAL MOTORS SERVICE PARTS OPEERATIONS BUICK 44W Y 6 91 4 177 4 337