Here are the INTAKE and EXHAUST port flow compare charts: legend is self-explanatory, they are all my DIY efforts, while the Dulcich is the MM article from years back, sort of using that as a DIY baseline to compare to.
I decided to "take it easy" at this point in time, meaning the last thing is to blend the valve job machining ridge in the chamber to the rest of the chamber and that's going to be it I think.
