If I knew some of the other port center line length I could do them also
146 cc port - 5.0" port center line = 1.7810 ACSA
1.7810 ACSA - 211 cfm = 284.191 fps Avg Air Speed / Port Velocity
While averages need can be looked at. When someone is developing a port on the flow bench localized velocities is what is most important.
Stan
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