Did it take out four lobes and lifters or all of them? I had a cam and lifter failure a couple months ago. It was the first I'd ever had. I did everything the way that I've always done it and it was a cam grind that I've ran before with the exact same heads, spring press., and valvetrain. The fact that it was all the lobes had us wondering if it could've been a bad cam or set of lifters. They were from comp cams, so I called them and they weren't much help but they did give me the hardness specs for the cam and lifters. I checked the rockwell and it was in spec (although barely). I called several cam manufacturers and they all blamed it on poor lubrication. Up until this happened I didn't know that most motor oils do not contain any zinc anymore, all the cam manufacturers recommended using shell rotella during breakin. My friend who builds engines has a friend that works in the r+d dept. at comp cams, so we called him and he blamed the oil too. My friend then called another buddy who works for Joe Gibbs Racing and he said they came up with a special oil of there own because they were losing 1 in 10 cams for there nextel cars. I'm not totally convinced that the oil was the only culprit, but I understand it is a big factor. The other thing is lifters. From what I gathered there is only 1 company in the u.s. that is making flat tappet lifters at this time, if they can't keep up with the demand then cam companies have to resort to offshore lifters. The biggest Problem with those lifters I've heard is the face is not ground with the correct crown which makes them not spin in the bore. My lifters were all spinning as they were chowed to a point, so to this day I don't know exactly what happened. When I put it back together the second time I made sure the lifters had the correct crown and took all precautions, I used shell rotella with some e.o.s. too. It went off without a hitch. My engine was an ugly mess when that happened, but looking at the bright side I learned alot about oil and cams. I hope some of this may help someone. I'm sure most will say I just screwed up and I am by no means a pro but my friend who gives me guidance is one of the best and I did everything on that motor just the way he taught me years ago. So, I believe it was either faulty parts or lubrication. I'm guessing your cylinder walls are scored up now from all the trash being slung on them and your bearings are history. I know how you feel,don't let this get you down though. All you can do is take your time and check everything when putting it back together. Good luck P.s. Glad to see that folks have gotten over being mad at you.