1986 SPEEDO GEAR USAGE CHART 01 2 3 THM 400 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 LT235 85Ri6 7 50 16LT 7 50 16LYOOR M40 25 K T I NOTE 20 TRANS CODE FJ FP 23 TRANS CODE FA FB FD FM FX 24 TRANS OODE FA FB FD FM F0 FX 25 TRANS CODE FJ 69 TRANS CODE LR LS FB FD FM 3 6 T990 GENERAL MOTORS SERVICE PARTS 0PERAT 0NS LT TRUCK 52R 4 450 4 142 REV 9 90