(Kbs are .012 under the deck and a .028 gasket) that will put me at .040. So I'm in that quench range. Why is quench unobtainable with flat top pistons seems to me I would be there?
No, you're not. You have to add in "however" deep your combustion chamber is......normally stock unmilled heads are "around" .095" deep. You have to add that into the equation.