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  1. Posi rear end

    Transmission & Drive line
    Will a stock LT-1 break a 7.5 posi rear end? 20" rims,non drag just street performance.
  2. auburn carrier size confusion

    Transmission & Drive line
    Hey all, new to this forum thing so I hope this works. the problem is, Im trying to buy an Auburn LSD for my 7.5 10 bolt. i know the car came with a 2 series carrier so it would make sense to get that, BUT i recently put in 3.73 gears in it and it says on the Auburn page to use the 3 series if...