Like ALL things in life, "...TO A POINT"

A "little", like header wrap, yes (So they say, I'm still say it's negligible. I used it to keep the OUTSIDE cooler, for the occasional, accidental touch).
But DOUBLE the heat, and the extra time to dissipate, I ain't tryin' it.

And what about "other" parts? Is DOUBLE the heat acceptable? I'm not gonna test it to find out. I live in Florida, I HAVE ENOUGH HEAT!
