valve grinding - Don Terrill’s Speed-Talk
2021-12-16 · To have to have a need to sink the valve .060" to get a good seat contact width back during what is normally a clean up valve job, that would mean that the new guide got shoved in at least .006" off from where the original guide was in, but that all being said, yes your in for a new seat now and a guide, both done by a better shop then who did that work!
