Posted 1/10/2010 15:12 (#1015104 - in reply to #1014776) Subject: Re: 8.1 cold start knock
Mid-Missouri
The piston knock seems very common on GM gassers. That said, it is the best motor in a gas application for me. They are simple, durable, and perform well. I would not be worried about the piston knock, assuming that is what it is.
8.1 cold start knock
