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how to tell if posi is good

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  • how to tell if posi is good

    ok so first off this is for my truck a 93 yukon. i need a rear end and without taking the cover off how can you first tell if the rear has posi and secondly what tests can you do to check if it works?
    91 Trans am, 305, Lt1 cam, 24lb injectors, headers, SLP LM2, SW chassis, massive panhard, lowered, modded TPI, Tuned, 4.10s, Lincoln locked
    85 Z28 406/th400?/3.42 4th gen disc rear/4th gen dash
    00 Tahoe Z71........Stock
    97 K1500 lt4 cam, 1.6s, MPFI, Solid axled, IROKs,------winter beater

  • #2
    Get friend. Drive vehicle onto dirt road. Stop. Slam the gas. If both wheels spin then your posi works

    Comment


    • #3
      Ok. In a non running vehicle without looming at too.codes because those are.gone. So without driving. What jacking.up method can i use? If both wheels spin the opposite direction thatd mean it has gov loc right?
      91 Trans am, 305, Lt1 cam, 24lb injectors, headers, SLP LM2, SW chassis, massive panhard, lowered, modded TPI, Tuned, 4.10s, Lincoln locked
      85 Z28 406/th400?/3.42 4th gen disc rear/4th gen dash
      00 Tahoe Z71........Stock
      97 K1500 lt4 cam, 1.6s, MPFI, Solid axled, IROKs,------winter beater

      Comment


      • #4
        spin one side fast enough and you might be able to get the flyweights to spin out and catch the pawl, needs to be at least 100 rpm difference

        1998 Camaro Z28 - Bright Red, 6.0 TR224, 4l60e, 3.42 Eaton TrueTrac
        1989 Camaro IROC-Z Convertible - 355 big tube TPI, WC T5, 3.42 Zexel Torsen, CTS-V/C4 brakes
        1955 Bel Air 2 Door Post - 357 TPI, Muncie M20, 4 wheel disc

        2006 Saab 9-7x 5.3i Daily Driver

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        • #5
          if its a g80 they were never good lol

          Comment


          • #6
            The 14 bolt version (10.5") is much better than the 10 bolt (7.5/7.625")

            But yes, they aren't the greatest Those rears did come with open carriers as well, just open it up and find out.

            1998 Camaro Z28 - Bright Red, 6.0 TR224, 4l60e, 3.42 Eaton TrueTrac
            1989 Camaro IROC-Z Convertible - 355 big tube TPI, WC T5, 3.42 Zexel Torsen, CTS-V/C4 brakes
            1955 Bel Air 2 Door Post - 357 TPI, Muncie M20, 4 wheel disc

            2006 Saab 9-7x 5.3i Daily Driver

            Comment


            • #7
              i was looking at a 14 bolt semi float which is 9.5 or 9.25 idr which. i havent found a 10.5 with SRW at all. i know g80 was crap but better than an open dif and thats all im looking for for now.
              91 Trans am, 305, Lt1 cam, 24lb injectors, headers, SLP LM2, SW chassis, massive panhard, lowered, modded TPI, Tuned, 4.10s, Lincoln locked
              85 Z28 406/th400?/3.42 4th gen disc rear/4th gen dash
              00 Tahoe Z71........Stock
              97 K1500 lt4 cam, 1.6s, MPFI, Solid axled, IROKs,------winter beater

              Comment


              • #8
                Get a Dana 60 lol
                sigpic

                Go BIG or go HOME!

                2000 Camaro SS Triple Black, 6 speed, Born 6/16/2000. SLP #8468. Plenty of Goodies

                Comment


                • #9
                  thats for the front eventually
                  91 Trans am, 305, Lt1 cam, 24lb injectors, headers, SLP LM2, SW chassis, massive panhard, lowered, modded TPI, Tuned, 4.10s, Lincoln locked
                  85 Z28 406/th400?/3.42 4th gen disc rear/4th gen dash
                  00 Tahoe Z71........Stock
                  97 K1500 lt4 cam, 1.6s, MPFI, Solid axled, IROKs,------winter beater

                  Comment


                  • #10
                    Nice, I had dana 60's on my 76 cj lol
                    sigpic

                    Go BIG or go HOME!

                    2000 Camaro SS Triple Black, 6 speed, Born 6/16/2000. SLP #8468. Plenty of Goodies

                    Comment


                    • #11
                      i dont have a welder to weld perches on
                      91 Trans am, 305, Lt1 cam, 24lb injectors, headers, SLP LM2, SW chassis, massive panhard, lowered, modded TPI, Tuned, 4.10s, Lincoln locked
                      85 Z28 406/th400?/3.42 4th gen disc rear/4th gen dash
                      00 Tahoe Z71........Stock
                      97 K1500 lt4 cam, 1.6s, MPFI, Solid axled, IROKs,------winter beater

                      Comment


                      • #12
                        Home depot has nice 110 volt welders for reasonable prices, They are a great investment
                        sigpic

                        Go BIG or go HOME!

                        2000 Camaro SS Triple Black, 6 speed, Born 6/16/2000. SLP #8468. Plenty of Goodies

                        Comment


                        • #13
                          Originally posted by SOPES View Post
                          Home depot has nice 110 volt welders for reasonable prices, They are a great investment
                          Please don't weld critical suspension pieces with a 110.

                          1998 Camaro Z28 - Bright Red, 6.0 TR224, 4l60e, 3.42 Eaton TrueTrac
                          1989 Camaro IROC-Z Convertible - 355 big tube TPI, WC T5, 3.42 Zexel Torsen, CTS-V/C4 brakes
                          1955 Bel Air 2 Door Post - 357 TPI, Muncie M20, 4 wheel disc

                          2006 Saab 9-7x 5.3i Daily Driver

                          Comment


                          • #14
                            Well the one I got can do a 5/16 in a single pass. But I guess this is prolly better not to do critical parts with a 110.
                            sigpic

                            Go BIG or go HOME!

                            2000 Camaro SS Triple Black, 6 speed, Born 6/16/2000. SLP #8468. Plenty of Goodies

                            Comment


                            • #15
                              yea i have one of those and they are kinda poopy no offense, just not my cup of tea
                              91 Trans am, 305, Lt1 cam, 24lb injectors, headers, SLP LM2, SW chassis, massive panhard, lowered, modded TPI, Tuned, 4.10s, Lincoln locked
                              85 Z28 406/th400?/3.42 4th gen disc rear/4th gen dash
                              00 Tahoe Z71........Stock
                              97 K1500 lt4 cam, 1.6s, MPFI, Solid axled, IROKs,------winter beater

                              Comment

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