Quote Originally Posted by happyscraper View Post
Some of the larger heat sinks have a round copper core about an inch in dia. I don't know what they come out of but it's about a half lb. Has anyone seen these?
They come out of Pentium 4s and AMD equivelents. Heat them up, aluminium expands more than copper. Now they can be punched out a lot easier. I do mine under the grill with the cheese on on toast