The ports in our two strokers -- are the heart of the potential power and how the manufacturers cast them -pretty well dictated the effective ANGLES OF FLOW
We can buf n clean em but from a purely practical standpoint - not do much
The new engine designs with huge bulging ports were possible due to new casting techniques -much like lost wax -
these allow the flow to be better directed
Note that the intakes actually crossfire on some engines-- with little or no boost port involment
and the exhaust ports are small but directional
Flow is such a black magic thing
On Chevs- the really effective trick is to raise the intake runners and effectively get the approaching flow looking right at the backside of the valve-- this lets the charge flow all around the valve and remain as a "tulip" -increasing flo
What looks good on paper can turn out to be absolutely worthless .
Lots of guys grind out ports to make em bigger - and wreck directional control of the flow
Best bet as previously noted-- work on the exhaust system - It is really the control point for flow into the engine.