Hi all. New to the forum. Going through the threads I found this one and had to comment. Lack of cleanliness is a far too common cause of failure, of both initial and premature variety. It doesn't take a lot of small particles of dirt or machining scrap to turn bearings into garbage. I had a buddy get in a rush and not wash the block after honing it. Needless to say, the rings set very quickly. Some of the abrasives also found the valley and worked wonders on the lifters. Keep everything clean.