Cylinder Heads 101

"Thats Awesome BJR" I know in your chart you show theres Not much Differents in the 587s with the 2.02 int Compared to the 915s with the 1.88 int,"But You dont Show Figures with the 2.02 Valve Fitted to the 915 Heads to see Just how much more they do flow compared to the 587s,"But Im sure you have Done So with your years of Expertise."Also just What is the Biggest Valves can you Fit into a 318 Head Before you run into Trouble"I was thinking maybe 1.94 or 1.96 on the intake & 1.60 exhaust??? or would 1.88 int Do just Find as Ive Aready Ported Some 318 Heads to the Mopar Perfomance Guide Lines?? :notworth: :thumblef: