Missed on this combo?

agreed, but you and i both know a valve job can make or break a port.
He got a bare casting and installed his parts from the EDDY head. That valve my.....or my not be causing a problem with the seat design. I'm absolutely guessing here.....but that's where my mind is going.
Yes i hear what you're saying on port CSA and the pinch.
Thought about this myself, but verified good valve seal with machinist layout and the old quarter turn trick. Didn't even need a slight lap. But I wonder about the angles.