PORT VOLUME-IS BIGGER BETTER OR IS LARGER LESS?

DO BIG PORTS LOSE LOW-SPEED POWER? 3 MOTORS-FULL RESULTS. CHECK OUT THIS VIDEO WHERE WE COMPARED THE EFFECT OF PORT VOLUME ON POWER PRODUCTION? WE COMPARED THREE SETS OF CYLINDER HEADS WITH DIFFERENT PORT VOLUMES ON A 306 FORD AND A 363 FORD, THEN 2 PORT VOLUMES ON A 372 CHEVY. IS LARGER LESS OR IS BIGGER BETTER?