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Re: 1988 DT466 smokes, pings under load
Posted to HD/Fleet Forum on 1/10/2019

Thanks. Do you have a theory that could explain why it only pings under load? I am trying to round up a compression adapter for this engine to test that. It seems to crank evenly with the starter. I could also bring it to the shop and use a lab-scope/amp probe... Login to read more.