SPEEDOMETER GEAR CHARTS T148 1979 SPEED0 GEAR USAGE CHART G1 2 3 THM 400 M40 Ky Q 4 DRIVE DRIVEN GEAR GEAR ADAPTER fe l 8629547 l Grly E 9775187 E LI BIue 136225 ZL I 3905497 0 8000 T 1362048 Black 1352293 I w s e 4 8 00 16 5 4 09 A no 111 4 11 8 00 16 5 Z5 ki WAREHOUS NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 5ZA REV 1 84 11 s I 4 000 GROUP