AU read and into a BA RTV

I have a BA RTV and an AU LPG ute.
Can I put the AU rear end assembly (axle, housing diff, etc) into the BA RTV?
Alternatively, a standard BA/BF rear end into the RTV?
Can I put the AU rear end assembly (axle, housing diff, etc) into the BA RTV?
Alternatively, a standard BA/BF rear end into the RTV?