'Howard Goldstein' wrote, in part: | How would you approach a seriously out-of-flat base like this one? Or | just ditch it. I think I still have more work to do because when I | popped the heat sink off sure enough there was MX2 accumulating on | either side of what's left of that cylinder protburance that I thought | I took care of after the first 2 hours of grinding a month or so ago. | Would