| lower plenum is going to create a LOT of turbulence as those runners come in at a ~30^ angle or so relative to the plane of the lower plenum deck. The air would have to take a path like that of hitting a speed bump at 50MPH in a lowered Z.

[ ashspecz.com ] [ agpowers@bellsouth.net ] Enthusiasts soon understand each other. --W. Irving. Are you an enthusiast? If you are out to describe the truth, leave elegance to the tailor. Albert Einstein
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