I don't think you could here the leak from a bad shaft. You must have another leak somewhere. I once put the intake on and didn't get the alignment rings seated properly. It wouldn't idle and it pinged when revved.


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!