SPEEDOMETER GEAR CHARTS I 197Q SPEED0 GEAR USAGE CHART mauve nmvm A 55555515 5 5555 55 55 555 55 555555 B szsmv 1 amwu za Brown 345215 c aemoz 7 crm zz sum 4sz1 5 20 Blue 345216 A 1978 SPEEDO GEAR USAGE CHART A nn nzs 5 gi 2 gf o 9 All H All II IE Mzo c II mn m H 5 Nm 5 asaz L4 z A V Eng me r wz GM mar mvnsww cswemxu morons CDBPORAT 0N CHEVROLET 10 4 009 GROUP gas c REV 9 78