SPEEDOMETER GEAR CHARTS 1969 CORVETTE SPEEDOMETER GEAR CHART NOTE Tu ardar Speadcmetsr Gears ur Parts Transmlssinn Type Rear Axla Hatla and Tirs Size mus be knawn 4 343 4 337 REAR GEAR GEAR 4 329 AXLE TIRE SIZE 4 SPEEDO SPEEDO ADAPTER RATIO DRIVE DRIVEN SPEEDD 2 56 F70X 15 G70X15 G78 X 15 3987919 3925673 2 73 G70X15 G78x1E 8 25x15 8 55X15 3987918 2 73 F70 X I5 3987919 3 07 8 25 X 15 G70 X I5 G79X 15 6261794 3987918 3 07 8 55 X 15 3987920 3 07 E70 X I5 F70 X I5 3 08 8 55 X 15 G70 X 15 G78 X 15 6261794 3987918 3 31 8 55 X 15 6261794 3987919 3 31 8 25 X 15 E70 X 15 F70 X 15 G70 X 15 G78 X 15 6261794 3987920 3 36 8 15 X 15 8 55 X 15 F7O X 15 G7O X 15 G78X 15 6261794 3987920 3 55 8 25 X 15 B 55 X 15 G70X15 G78X15 6261794 3 55 E7O X 15 F70 X 15 3860345 3 73 8 25 X 15 8 55 X 15 G7OX 15 G78X 15 3850345 3 73 E7O X 15 F70 X 15 3860346 4 10 8 25 X I5 8 55 X 15 G70 X 15 G78 X I5 3860347 7 4256 8T55 X 15 i 626 1794 39879r19 3932220 4 56 8 25 X 15 G70 X 15 G78 X 15 6261794 3987920 3932220 4 56 8 25 X 15 6261794 3987920 3932220 4 88 8 25 X 15 8 55 X 15 G70x15 G78 X 15 6261794 3932220 1970 CORVETTE SPEEDOMETER GEAR CHART 4 337 4 343 REAR GEAR GEAR AXLE REAR TIRE SIZE SPEEDO SPEEDO RATIO DRIVEN DRIVE 3 07 G7O X 15 G78 X 15 H78X 15 8 25X I5 3987918 6261794 3 07 F78 X 15 3987919 6261794 3 08 H7O X 15 F78 X 15 3987919 6261794 3 08 G70 X I5 G78 X 15 H78x 15 8 25X 15 3987918 6261794 3 36 H7O X 15 H78 X 15 3987920 6261794 GM PARTS D V SION GENERAL MOTORS COFIPGRATION CHEVROLET 14 4 000 cn0uP 4 2 c REV 580