Took My truck in for coolant blowing out of the surgetank. I was told it was just probably the egr cooler......Wrong the heads are warped. Talk to the tech doing the work, he told me that they are only .002 from being flat. Ford says to replace them, so while it was in there with the heads off it just seemed to be the perfect time to stud the ole fat butt. Thanks to DJ's getting them to me overnight I should have her back by the weekend :thumb:.