once you braze together the metals the amount of heat needed will untemper the satelite gears causing them to crumble like cookies when force or torque wich ever one you prefer is applied, also when you take the diff apart mark everything on wich side it came off of and put it all back together the same way it came out or excesive noise will occur, i meen EXCESIVE noise...i have a 5 bolt diff from a j30 if you want it .....