I have a used home made flow bench I recently purchased that came with a homemade calibration plate. A buddie of mine that works in a bigger shop recently sent me one of Superflows single point plates. The one with the 1.874 hole and the .312 hole in it. I was wondering if any of you guys use these to calibrate your benchs, and if so, what kind of flow do you get at 10" and 25" or 28" when flowing just the big hole with the small one pluged, and with both holes open. As soon as money permits I want to get 3 or 4 plates made, but for now I'm just hoping to get a better idea of how acurate my ranges are.
Thanks in advance.
Jay