Quote:
Originally Posted by Jtrux
Factory posi's will act like open diffs till RPM increases so in your case it's acting normally.
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That depends upon your definition of "factory posi". Presonally I do not consider a "Gov-lock" to be a "Posi"....it's a "Gov-lock"
Gov-locks can do all kinds of things in the "jack the wheels off of the ground" situation, depending upon the condition of it's guts. This is what makes then "shakey" at best. As 69GMC said, the only ones with any strength are the 14 bolt units. The whole "watch spring" mechanism is just as bad, but the carrier is much more massive.
A "true" posi would have to be totally wasted (clutchwise) to spin backward like an open differential.
A Detriot (No-Spin) can be "unlocked" by hand, which would get one wheel to spin freely, but it can't possibly spin the other wheel backward.