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bhoeger70 · 01-16-2008, 04:21 PM

My guess would be main bearings. Knock at idle goes away when you rev it up.

01-16-2008, 04:21 PM	#10
bhoeger70 Registered User Join Date: Sep 2007 Location: Grand Forks ND Posts: 434	Re: oh no a knock!!!! My guess would be main bearings. Knock at idle goes away when you rev it up. __________________ "Beer is proof that God loves us and wants us to be happy" Ben Franklin 67 Chevy 1/2 lwb, 67 GMC 1/2 lwb (parts)