i think you may have seen the posting that i was in.
i used the plastic diff cup.
light coating of grease and packed full of jb weld.
then installed an old crown gear and some old drive cups to make/mark the shaft holes.
let it dry overnight then pressed out the insert(locker).
shaped the grove for the drive cup pin.
its an insert just like the maximizer locker and i can still go back to the 4 spider setup at anytime.
http://s5.photobucket.com/albums/y20...lddifflock.flv
http://s5.photobucket.com/albums/y20...ockedvideo.flv