SPEEDOMETER GEAR CHARTS T163 1980 SPEEDO GEAR USAGE CHART G1 2 3 THM 350 MV4 M38 iu 5 g 3 0 v FR7B 15 J comms evans IIIQITI 1 21s vams Pzzsnsms 678 1500R uva 16 III ms 1s 0n na moon IEIIHIII M8 15 lilll K uma 1s IIE msn 1s s msn 1s s00R 12 EIIIQ 8 75 16 5 3 75 I I J 8 75R 16 5 T L msn 1s so0n G IH 2 00 1s s c V 1 7s 1s s B 75 16 500R c T XX 8 75 16 5 msn 1s so0n A M C T Z 3 12 22 Mw T w a 7s 1c s 8 75 16 50DR 4 10 c T IY NOTE Eng 305 LGS 350 ILSS Trans Code 7TO 7TN Eng 250 ILE3 Trans Cade 7TX 7WS Eng 250 ILE3 Trans Code 7WR 7WZ Eng 400 LF4 Trans Dvds 7XA 3 Eng 350 LSE Trans Code 7WN Eng 250 LES Trans Code 7WP Q E ERAL MOTORS SERVICE PARTS 0PERATIONS LT TRUCK 52 4 000 GROUP SPEEDOMETER GEAR 26 REV 2 87 Q