neat heat sink

Originally Posted by Mick

I put the aluminum part in a vice and use a grinder to cut the part holding the copper. Then it pops out easy. Otherwise, I could beat on that copper slug forever and it was so tight, it wouldn't budge.

I put it on its side & put the blade of a cold chisel in between the Ali fins & bash it a couple of times. This warps the Ali a bit, loosening the grip on the Copper slug. Then I use a steel punch & hammer to push out the slug.