Mines just went today also. Luckily I found another motor so no downtime while I repair this one. I am going to call element tuning on Monday to see what they can do for me. I don't understand the whole swedge thing. Note that I had misfire issues and P0301 codes before this happened. I would make a pull and the car would hesitate at high RPMS and the CEL would flash momentarily. Well this morning when I went to my trusted mechanic we changed the coil packs and the spark plugs out hoping it would cure the misfiring (not knowing about this rocker failure), after he put the new plug in we took it on track and big puff of white smoke came from the car. I thought it was a piston melted. When we put it up on the lift we saw the hole in the valve cover. So more researching and I found this recent thread. This sucks that some of us are unlucky like this. I hope my recently bought motor doesn't do this either.