I think they are the best rear diff you can get. If someone wants to call them junk, all the better for me. I've picked up 3 of them in the past year for $50 each, basicaly paid the scrap value. One of them had a locker. For building a wheeling truck, I think the 14 bolt sucks ass. I run 35's on my blazer with a shaved eaton. To get the same ground clearance with a 14 bolt I'ld need to run 42's. My latest score was a new in the GM box locker for $200, cause it was oboslete junk.