SPEEDOMETER GEAR CHARTS TP152 1975 SPEEDOMETER GEAR CHART A C 1 3 spd w CATALYTIC CONVERTER CODE DRIVEN GEARS SLEEVE ASM CODE ADAPTERS A 39879 9 19T 345215 F 6479234 B 3987920 2UT 345215 G 6479241 C 3987921 21T 3452 5 H 6479238 D 3987922 22T 345215 I 6479237 E 39879IB IST 345215 J 6479238 K 5479240 L 5479235 I 3 40 3 73 4 11 TIRE DRIVE GEAR DRIVE GEAR DRIVE GEAR SIZE 5251794 5251794 5261794 Driven Adapt Driven Adapt Drivon Adnvt 678 15 A F C J D L G78 I500R B G D G C K E78 15 C G B K D K L78 15 D H C G B K J L78 1500R A G C G C L H78 15 B G A K C L H7Br1500R B G D G C K 7 00 15 A G E K B L 7 L 0 I500R B I E K B L 7 00 I6 C H B G D G 7 001600 R E G B G D G 6 50 I6 A G E K B L 6 50 1600R B I E K B L LFi78 15 D H B J C L WAREHOUS NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPOFIAT 0N LT TRUCK 51 4 000 GROUP no s REV Z 83