8.5 rear housings

[altered85]

can anyone tell me what all cars have the 8.5 rear diff. housing's that fit the tr. I am looking for one to rebuild for my gn. then in turn rebuild the one in my car now for a "on hand diff" if the need arrises.
tia,
altered85

 

[Red Regal T]

Only other car besides a TR is G-body Olds 442.