Real World Flow Differences 2.08"/ 1.74" Valves vs 2.14"/ 1.81" Valves " Pictures Added"

I am almost never satisfied with not knowing why an experiment succeeded, failed, or showed no change. Teasing out the reason(s) for the outcome(s) can be incredibly valuable on their own, but that type of consideration, applied to all things, will help a person avoid charlatans wherever they may be.