SPEEDOMETER GEAR CHARTS TP188 1975 SPEEDOMETER GEAR CHART NEW PROCESS TRANSFER CASE w CATALYTIC CONVERTER CODE DRIVEN GEAR SLEEVE ASM CODE ADAPTER A 3866798 IRT 32656I F I565I73 B 3866799 19T 32656I G I56G2I4 C 3866918 2IT 326561 H I56 I70 D 386G9 7 20T 32656I J I5B9247 E 38669I9 ZZT 32656I 3 73 I II TIRE SIZE DRIVE GEAR DRIVE GEAR 6273992 5273992 Driwn Aduvwr DrIv u Adnptu LR7B I5 A F E F I0 D I5OOR B F C F E78 I5 B G C G I G78 I5 C F D G I G78 ISOOR B H C H L78 I5 D F E F N L78 IBOOR D F B G J H78 I5 B H C H H78 ISOOR B H C H 7 00 I5 A H D H 7 00 I500R A H D H 7 0045 B F C F 7 00 600R C J A G 6 5046 A H D H 6 50 IGOOFI A H D H 7 roam mdb nnie for stu gov uu 3964594 WAREHOU NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 51 4 000 GROUP 4 44 s REV 2 83