mm wrote:
Pre. S. Is there such a thing as tempered aluminum?


Yes, aluminum has different "tempers"...if you warm it with a torch,
you will be fine, don't get it smoking hot....it melts at 1200 degrees
F.

DON'T use grease as an "anti-seize" compound, it will harden oe even
bake in place and you'll have a mess.

You can buy a lifetime supply of anti-seize for 5-6 dollars.