I don't see that second pic showing 9/16 to the blades, it should be so close you can barely get the fan belt off, 1/2" is very important, other wise you're drawing most air in from the sides, not thru the rad
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
