SPEEDOMETER GEAR CHARTS 4 B212 1978 SPEEDO GEAR USAGE CHART H CAR DRIVE DRIVEN GEAR GEAR COLOR ADAPTER A 6261782 9 Green N 3987920 20 Blue 345215 B 6261797 7 Brown P 3987918 18 Brown 345215 C 6271537 7 Pink I D 465321 7 Brown 1978 SPEEDO GEAR USAGE CHART H CAR e A ea Qc 5 B78 13 BR70 13 BR78 13 2 56 M33 A N B B78 13 BR70 13 BR78 13 5 i 3 3 F I NI75 C P WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATlON BUICK 41 4 000 GROUP 4 10 c REV 5 81