Quote:
Originally Posted by Mr.Chevy4x4
The 12 bolt has a carrier break between 3.42:1 and 3.73:1, so you won't be able to use the eaton posi with 3.73 gears. That's another area where the 10 bolt is better. There is no carrier break for the 8.5.
Mike
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another minor issue with the 12bolt is its a little bit more rare then the 10bolt. if you snap a axle shaft you might have a little bit harder time running across one. they are slightly different in the c-clip area where as craigslist is usually littered with 10bolts