From what you have said, I would think that someone has taken the odometer apart. As far as the error is concerned, what is it like below 35. If it goes to the slow side then you probably have error due to the wrong drive gear ratio.


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!