Lapping

[dolemitecomputer]

I will be lapping my heatsink in the next week or so and need some suggestions on what sandpaper to use and how to do this.
I would also like to know how long do I sand with each grade?

[Kendan]

Here is an article on lapping. I hope it helps.
http://www.atlantaoc.com/reviews.php?op=showcontent&id=6

[phiber]

if u overlap it kinda makes it worse