r SPEEDOMETER GEAR CHARTS 1 1 1979 SPEEDO GEAR USAGE CHART 1 X w DRNE C9 uruvzu GEAR G GEAR ADAPTER A 6261785 10 Purple N 39s1919 19 Natural 145215 3950352 0 9242 c B 6261796 9 Rau P 3987920 20 Bane 345215 c 6291194 9 Orange 0 3931922 22 Gray 345215 D 361002 1 Green R 3991921 Z1 Rad 345215 e 4 3 el w A Sw w 3 4 v FR7 14E78 14 2 41 Z1 A IBB 1 R1s 14 1213 14 V 1Xli A 1 R1a 14 E7B 14 Mss A II FR78 14 121314 2 73 1iH A QE 1 FR78 14 E7B 14 3 08 M20 lil A FR7E 14 E78 14 EE A I II C IEIE 3 73 HHH I 1 GM PARTS 1v1s10N GENERAL MOTORS CORF0RAT ON CHEVHOLET 10 REV 9 78 4 11 c 4 000 GROUP