Heat-Wrap

[Bobbyhotrods@comcast.net]

List, I don't recall a thread on this.
I designed and made my turbo header subscribing to the hot-as-possible theory 
(heavy 321SS). Now I'm thinking the thing will be crazy hot in the puny engine 
bay, especially with no fan, and I should think about wrapping it.
What should I know about wrapping insulation around the thing? What should I 
use, and how is it best secured? Thanks, BJ