what has to be done to put in 76 cutlass rearend

[illregal82]

i found a 76 cutlass rearend it has 10 bolts and it has posi what do i need to have done to go in my car i really wanna spin both my wheels i sick of lookin like a sally with this one wheel sh*t

 

[RedHotRegal]

You know its hard to get rid of a rep once you have it :lol: I would guess changing the brakets and how wide is the new axle?