EQ head build + home porting advice sought

Converter/gears/ tire diameter,to be run...? You probably have checked out what LX guy runs (11:70'a @ 115-116 trap speed..) with a stock set of E.Q. 1.92 heads. Tried porting a set of stock Magnums,the E.Q.'s look SOOO much better,I left them alone .(for now...)