When I first put mine together, I had a random squeaking/chirping that was worst around idle. I used a piece of tubing to listen to it and it turned out to be the harmonic balancer (crankshaft pulley). It eventually went away.


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!