Question on port matching

Push rod pinch is a major factor in most Mopar heads!
Pushing flow towards the pinch wall is obviously bad...

Sometimes the manifold runner aims towards the pinch wall.
Making it bigger is a no no...

Imagine a water fountain from the olden days.
Very long runners getting progressively smaller, speeding up the flow.
Any areas that increase the cross section before the pinch will cause turbulence.

The only area that needs a good match is the centre runner wall.
The pinch walls are just trouble waiting to happen...