1984 SPEEDO GEAR USAGE CHART B D CAR CONTINUED 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 T N R P225 75R15 MW9 30 E P205 75R15 J P215 TSM RHI P225 75R15 MW9 31 n J J P205 75R15 P2l5 75R15 A P225 75R15 3 73 M31 A A J NOTE 29 TRANS CODE BT 30 TRANS CODE BX 31 TRANS CODE HE OG OM OJ 32 TRANS CODE BH 33 TRANS CODE OI j 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS BUICK 44W 4 337 4 138 6 91