8.5 carrier in 7.5 ??
 

30 spline Auburn LSD 8.5 carrier in 7.5 housing with discs & thick ring gear, didn't think this was possible. Or is it ?

Replaced bearing on monday yes it has 30 spline axels,auburn lsd,thick ring gear in 7.5 case.

Friend i did this for, did not know he had this being hes second owner. so my original question could use a answer if Anyone knows.

Are you telling us or asking us?

Asking for sure, have one rolling in on monday with axle bearing noise.