What type of rear?
I use 75W-110 in the Amsoil Severe Gear variety. The SAE spec changed some years ago, hence my decision to go to the 110, which is closer to the old 90 spec anyway. Amsoil claims that no additive is needed, but I put in half the recommended dose (about 2 ounces) of additive just for kicks.
I use a gasket on the cover of both my cars, and I use a small amount of Permatex Aviation Sealer on both sides of the gaskets. Neither leak a drop.
Rear end is quiet as heck and no chattering. Works for me...
Last edited by propuckstopper; 12-23-2013 at 06:01 PM.
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