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jablack · 12-28-2010, 12:15 PM

I built an engine once and had that problem. Turned out to be the front main seal behind the balancer. I swapped that out and the noise went away.

12-28-2010, 12:15 PM	#3
jablack Classic Chevy Recycler Join Date: Dec 2007 Location: Alabama Posts: 422	Re: Scary sounding whining noise I built an engine once and had that problem. Turned out to be the front main seal behind the balancer. I swapped that out and the noise went away. __________________ 2004 Chevrolet Trailblazer EXT 1970 Chevrolet C50 1979 Chevrolet C30 Need another 67 or 68 soon...