SPEEDOMETER GEAR CHARTS B225 1979 SPEEDO GEAR USAGE CHART X CAR e 3 TIRE s1zE mms we 5 47 5 6 c 0 v All 11 115 A s B FR78 X 14 E78 X 14 1v1ss I A Ema X 14 il z E ER7aX 14 E78x 14 M33 c c Ems X 14 s 0a c ll FR78 X 14 E78 X 14 M33 Q w L ER78 X 14 ly T 1 ER78 X 14 E78 X 14 Mss HE 1 ER78 X 14 IIIII L FR78 X 14 E78 X 14 11415 A II 1 ER78 X 14 A s J ER7aX 14 ER78x 14 1v13s IQ c Eva X 14 III ER78 X 14 E7a X 14 Q M33 c ll 1 ER78 X 14 3 23 c c 1 FR78 X 14 Eva X 14 M33 ll v K ER78 X 14 li u L FR78 X 14 E78 X 14 Mss IIIEI 1 ER78 X 14 1 1 L NOTE With Trans Stamped KE KX With Trans Stamped JD With Trans Stamped JC WAREHOUS NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORAT ON BUICK 41 T REV 5 811 4 23 c 4 000 GROUP