I have a set of gm 882 heads that already had 1.6 ex valves and I decided to put a set of 2.02 int valves in them, well when the machine shop cut the heads they put a three angle on them but left huge ridges from where they stopped the cutter, so I started porting them out to get rid of the ridges but to do this I have to remove the inner angle , I want to know what you think.
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