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Re: Head & block surface deviation
Posted to HD/Fleet Forum on 4/25/2019 6 Replies

Gene,

I typically see a couple of sets of those heads every week. 60% of them have small cracks starting in the valve seats. Some have cracks from the seats to the glow plug hole. Some people say not to worry about the cracks but I have never seen a crack ge... Login to read more.

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