The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Synthetic gear oil in old crusty rear end.

richards72chevy · 07-10-2020, 11:28 AM

I'm probably just going to go with the old style gear oil.Not for sure if I have a posi rear.If I do is the additive something I can purchase from the local parts store?

07-10-2020, 11:28 AM	#4
richards72chevy Registered User Join Date: Dec 2010 Location: konawa ok/oakdale Ca. Posts: 1,648	Re: Synthetic gear oil in old crusty rear end. I'm probably just going to go with the old style gear oil.Not for sure if I have a posi rear.If I do is the additive something I can purchase from the local parts store?