That's lapping an IHS, not a corealik4041 said:http://www.overclock.net/peltiers-tec/57296-lapping-fx57-better-heat-transfer.html#post608238
"Make sure no metal is on the pins, pretty much detail clean up. and poof any were from 5-18degrees cel drop in the processor temps. idel and full load."
So my max was off by 2C. Sue me
I dunno if I'd ever do that either, as much as I want to. it would be an obvious void of warranty
and video cards don't have an IHS on them, so no need to lap it