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1970GMC468 · 01-13-2010, 01:28 AM

Open diffs will occasionally spin in the loose stuff if the truck is straight and everything is perfect. If you have a posi traction rear end it is possible that the clutches are worn out and not grabbing well on the dry stuff. Just my two cents.

01-13-2010, 01:28 AM	#3
1970GMC468 Registered User Join Date: Jan 2008 Location: Orland, California Posts: 72	Re: confused. differentials Open diffs will occasionally spin in the loose stuff if the truck is straight and everything is perfect. If you have a posi traction rear end it is possible that the clutches are worn out and not grabbing well on the dry stuff. Just my two cents.