Well then that may be what I meant to ask, what I am getting at is which will shed heat into the air faster, I guess thermal conductivity is how fast the heat will move through the material.
I found this forum searching for info on open headers causing burnt exhaust valves and found some very good information and what appear to be intelligent people. So I thought I would pose a question that I have wondered for sometime.
Which has higher thermal conductivity, anodized aluminum or...