GM additive needed in a Zexel-Torsen?
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Just recently had new gears installed (3.42) in my stock 10 bolt. Shop owner told me I didnt need the GM limited slip additivesince I had the Zexel-Torsen limited slip posi unit. I thought all Gm rears needed this. Who is right?
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The additive is a friction modifier used in differentials with clutches or cones. Torsens use planatery gears so no additive is needed.
www.torsen.com
www.torsen.com