In the thread on Moparts Allen Sherman said he left them as is and only changed the valve seats to his liking. That sounded like he didn't feel the need for any more porting.
Yea, that's what I read. I didn't see any flow numbers other than Edelbrocks. Considering how how many people out there having flow there head and not come up with there numbers that they did, I can only wonder this time around.