1987 SPEEDO GEAR USAGE CHART G1 2 3 THM 700 Continued D D A R G R G D I E I E A V A V A P TIRE SIZEE AXLE TRANS E R E R T N R P215 75R15 n S P225 75R15 E T P235 75R15 8 75 1615 Bm 1615 MDB 81 nm F 2 5 75 15 HHH P235 75R15 3 73 MDB 82 NOTE 81 TRANS CODE MAM 82 TRANS CODE TJM TUM TNM i t gj 1991 GENERAL MOTORS SERVICE PARTS OPERATION5 LT TRUCK 52G j 1 91 4 91 4 450