What kind of cfm do porters get out of the std port heads? I know that’s not the end all be all but it’s a pretty good indicator
The highest I’ve seen from a “true” std port head is around 350cfm........and that’s been with the Victor/Pro Comp heads.
I haven’t done one in a long time, but I’ve had std port SR’s flowing in the 340’s.
Actually, now that I think about it, I had some nicely ported std port EZ’s in the shop, done by Hughes, that had the transition in the roof filled in, and those went about 350 as well.
