I used an old 120mm fan that was roughly 1 1/2 inches thich, cut the fan out, and used it as a shroud! NO difference. My BIX is garbage
I have a 120mm AC fan that is a MONSTER that I will try. How is that Sunon better than my YS Tech??? I run my fan at 12v not 7v.
Going out for a bit, shopping with the girlfriend (might take a week)