Yes they do have a one way clutch in the drive. I am thinking the same thing as you that it is probably the drive. I don't know how the starter could spin without grinding, other than a drive problem.


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!