SPEEDOMETER GEAR CHARTS T156 1980 SPEEDO GEAR USAGE CHART C1 2 3 4 SPEED M20 K e 6 S z Gm n 1sn nn F215 7ER1E mms ZIIIZ F LR60 I5 Pzasnsms Pzasnsmsuon Pzssnsmsxr A E H7S 15 H78 1500R LR78 15 KE 1 ms moon A 3 K J 7 50R 15 urns A E L 7450R 1600R 1 50 1s00n KIIHI 8 7ER 16 5 B 75R l6 50OR 9 50R 16 5 4 7 4 A lil 9 50 16 6 7 00 16 A ISI s s0R msoon H IIEI 9 50 16 soon KK I monsoon I K EI J 8 75 16 5 A II K s 7s 1s so n XIII K 7 50R 16 9 5OR 16 s s0n 16 sc0n A E 7 aon moon 7 50 15 00R K H K 8 75R 1645 msn 16 500R a 1s 1s s n A III sm 16 5 a sms s00R 7 00 TEOOR A E I 7 00 16 A III J 7 sc 1s A H J a 1s us 5 A III I KY mon as 9 50R 16 50DR 7450 16 A IIL 7 s0n 1suun 7 50 160OR A II K 8 75R 16 5 s 7sn 16 500n asun 1e A E15 9 50 1645 7 00 16 EEK 9 50 164500R mo 1600R A I H sys 16 5 us 1s s00n A KE H 4 Z1 ENERAL MOTORS SERVICE PARTS OPERATIONS T TRUCK 62A REV 2 B7 SPEEDOMETER GEAR 19 4 000 GROUP