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How much resistance is there when turning one axle on a posi rear, while holding the opposite side? Is it possible to do the above on a posi that is still operational? I just bought one that I can hold, while someone else can turn the other side, however, it does take some effort.
 

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If it really is a posi & you can turn one side by hand while somebody else holds the other it is very sick. Probobly the springs & clutches are toast.

With new stuff a real strong guy may be able to just turn one side with a tire installed (better leverage). If you are thinking about buying this rear end go ahead, & plan on rebuilding it. If it's already yours, figure on a rebuild soon.

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There is an actual figure in the Chevrolet chassis overhaul manual for '66 chevelles. As I remember it, it should take 45 ft/lbs. to break free a stock posi. I'll dig out this manual and recheck the specs to be sure, watch for new post in the next week. Bryan
 

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OK, I've checked my '66 manual (also covers ChevyII & vette); it says thatit should take NO LESS than 40 ft/lbs. to break free a limited slip. This figure is the same for both the Dana and Eaton types. Hope this helps, sorry for the delay in responding.
Bryan
 
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