SPEEDOMETER GEAR CHARTS TP28 1978 SPEED0 GEAR USAGE OHART K 1 2 3 DRIVE DRNEN GEAR DOLOR GEAR ADAPTER RATIO A 6273992 7 Red 3866798 18 H 326561 H 25032142 1 300 3866799 19 J 326561 I 25032143 1 363 38669I7 20 K 32656I J 25032I47 1 285 3866919 22 M 326561 K 368026 1 3000 BH 3866918 2I L 326561 L 465434 1 3600 M M 368025 1 2020 BG N 25032146 1 214 P 25032141 1 200 D 25032139 1 000 R 25032140 1 077 S 326569 9744 D T 25032144 93 7 U 25032145 950 V 368022 9444 BD NOTE M38 M40 With Eng 400 LF4 1 ar Dual Exhaust na 20 I M3 M40 Wiz wut Eng 400 LF4 ar Dual Exhaust no 10 MCI M40 NOTE Keys Required 867209 Input Key 5476970 Ourput Key J 1978 SPEED0 GEAR USAGE CHART K 1 2 3 Q iv iu me snzz 4 0 L78 15 L78 1500R LR78 15 6 50 I6 7 00 15 H78 1500R 1 17a 15 see Nm HIZHI 7 00 10 7 00 100012 10 00 15 1 H 1I 1 1100 15 2 76 KI J L78 15 L78 150OR LR78 I5 1170150017 7 00 15 S 1170 15 LR 60 15 BIH 1 7 00 10 7 00 1000a 10 00 15 VIII 1 6 50 16 A IIIIKI 1 70 15 1 7a 1500n 1 1170 15 KE II me 15 HIZIII H78 1500R sae 11010 KEIIII 0 50 10 7 00 15 HIII I 7 00 16 7 00 100011 10 00 15 3 07 KI II 1 1100 15 A IZ I 1 7s 15 1 70 150011 H7B 1500R LR78 15 H7B 15 1 1100 15 see Nm KIZIXI 7 00 15 0 50 10 KIIIIH 7 00 10 7 00100011 10 00 15 A II I i WAFIEHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS COFIPORATION LT TRUCK 5I A 4 000 GROUP usa s REV 2 83