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Old 05-27-2023, 05:51 PM   #6
ohboy321
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Join Date: Aug 2015
Location: Dunbarton, NH
Posts: 277
Re: Verifying a Posi Differential unit?

Quote:
Originally Posted by 72SB View Post
without looking at the diff itself, spin the PS wheel/drum forward. If DS also spins forward, its a Posi. If it spins backwards its peg leg.
I did this test on mine and thought it was one legged. When I pulled the cover a bunch of friction plates from the posi fell out. A rare occurrence but it can happen. Pulling the cover is best if possible.
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