I put another B-body 8 3/4 in an A-body.

and a 94 jeep Cherokee 8 1/4 in an 74 A-body. (same 43" perch center but axle under spring)

and a 94 jeep 8 1/4 in a d-100 to tubb it for 12" rims

since this post.

glad to see you make progress on getting the 8 3/4 done.