Valve job on os valves

Jim Kueneman said
are you sure you can get there with just cc volume? I have not studied your calculations here in depth but I recalled it would take a ton of shaving to get the cc’s to mid 8 CR when I was doing mine.
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Well using all my dimensions except the head cc and to get to 8.5:1 i would need to mill 46 thousands which does not seam excessive.

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