83-84 Cutless Supreme rear end?

[elcotrk]

Is on a “G” body platform, so the 8.5 rear end is a direct bolt on fit for a G body El Camino or any other G body car.
No modifications required
at all.?
Thx for any insight on this retro fit idea

 

[64nailhead]

An 8.5 from a G-body only is direct bolt in.

 

[Ribbedroof]

Driveshaft length will be different