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Old 03-11-2014, 07:59 PM   #14
kwmech
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Join Date: Mar 2003
Location: Colfax-California
Posts: 8,724
Re: Anyone have problem with their posi chattering?

Quote:
Originally Posted by DGulliver View Post
* GM Posi addiitive is whale oil.
Not for a LONG time now, it is a synthetic blend. BUT I have been building custom differentials for years now and the FORD fluid additive wins hands down. I soak the clutches in the additive before I rebuild a power-loc.
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