This is almost 100% the case.
Rear Disk cars have bolt on lorobo shafts.
Rear Drum Cars have Push in tripode shafts.
Lorobo's can be on LSD or Open Diffs.
Push in Tripode Drums on Open Diffs.
Some Very rare cases of drums on bolt on shafts
6.5" Very Rare only push in
7" Either
7.5" Bolt on only and LSD unless a Bug Eye Scorpio which is 7.5" open.
TT
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