I don't know about the 46 but in the 48 to 52 manual, the 4 spd is to be filled to 1/2" below the fill hole, cold. This level will make a difference.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!