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Old 08-12-2003, 01:31 AM
bill4247 bill4247 is offline
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Join Date: May 2001
Posts: 108
If you get the MB limited slip diff oil, you don't need the additive. If you get regular diff oil you do need the additive. Don't know about synthethics. They leak out of mine diff. cause the gasket is old. The MB stuff is 26$ a quart, I think.
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