tryed all those links you posted grim reaper no deal they say. only for 2 wheel drive at lmc and chevy duty and gm dealer said was discontinued 4 years ago.
ok guess im gonna get out the welder and make previous owners rigging a little better and go with. got calmed down a bit now and head stopped bleeding.
just found out its friday the 13th, lol no wonder having so many probs today.