The best way I can describe it is being big sheets of gold duct tape, but a type that reflects heat etc, and I cleaned the firewall a lot, to stick it and then pressed it like window tint to help it out.
Yes it was a wendys cup, lol I put it there when I busted a piston, because it tends to make a mess of an engine bay.. and it did the job lol... and lil update from last night.... Assembled most of the short block, pix alil later