Quote:
Originally Posted by ksjh1316
My 71 has a posi 3.73 12 bolt in it is it possible to just switch the whole gear set out on a non-posi truck, or will I have to switch out the whole rear end and more since it will be going from a GMC to a Chevy.
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If the 67 has 3.73's in it, you can just leave the pinions in, and swap the carriers. You have to check your backlash though.