SPEEDOMETER GEAR CHARTS V79 1980 SPEEDO GEAR USAGE CHART Y CAR CHARTA l l DRIVE 47 gw DRIVEN 47 0 GEAR 1S COLOR 0 GEAR i3 COLOR SLEEVE ADAPTER B 6260705 8 Blue O 3987919 19 Natural 345215 C 6261784 8 Orange CHART B e 5 4 TIRE SIZE AXLE gl gk 7 8 P225 70R15 P255 60R15 M33 C S 11 All 307 IEIIG P225 70R1s P2s5 60R15 c nn I I 1981 SPEEDO GEAR USAGE CHART Y CAR I CHART A DRIVE 5 DRIVEN GEAR 1S GEAR ADAPTER A 14038093 9 N 3987919 19 Natural 345215 B 6261782 9 Green P 3987920 20 Blue 345215 CHART B 4 Is 4 TIRE SIZE TRANS S Q S Q 6 7 5 47 C 0 v All I 2 72 M18 A All EE AII 2 87 MX3 E WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14 4 000 GROUP 4 12 c REV 5 81