I was on the SMAC in 2009 and I don't agree with Jim...
I think there are basically a bunch of people crying because they used a blunt tool to do an artisans job and they can't go back and do a better job because they have already butchered the material.
The rule is fine as written and what is currently being done with the radius cut is perfectly legal (for now until cronyism on the CRB fixes it). There is no rule in the GCR that one engine builder cannot be smarter than another. Our class already has closer fields and finishes than any "SPEC" class in the SCCA.....
Flame away... been sitting on the sidelines watching but this is starting to get so deep the boots wouldn't cut it and I don't feel like putting the wadders on...