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    LSD identification

    Any idea what LSD I have, I can't tell from the tag

    Sent from my SM-G900T using Tapatalk

    #2
    no. not by looking at that one.

    your best bet is to take off the rear cover, count the teeth on each gear, and divide the big number over the little one.

    the next best would be to spin the pinion shaft and count the rotations of the axle shafts.
    sigpic
    Gigitty Gigitty!!!!

    88 cabrio becoming alpina b6 3.5s transplanted s62
    92 Mtech 2 cabrio alpinweiss 770 code
    88 325ix coupe manual lachsilber/cardinal
    88 325ix coupe manual diamondschwartz/natur
    87 e30 m3 for parts lachsilber/cardinal(serial number 7)
    12 135i M sport cabrio grey/black

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      #3
      Well, it LOOKS like a diff tag, but it lacks the right NUMBERS to be a diff tag.

      I'm with Flyboy, but I'd just count the revs. It's not an ix diff, is it?

      t
      now, sometimes I just mess with people. It's more entertaining that way. george graves

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        #4
        Maybe its coincidencs but 4873 / 1141 = 4.27
        Build thread

        Bimmerlabs

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          #5
          Originally posted by nando View Post
          Maybe its coincidencs but 4873 / 1141 = 4.27
          i like the way you think but what e30 came with that ratio?

          perhaps a manual 318i cabrio with cold weather package? i've had a few of these over the years and can't recall if it was 4.27 or 4.29

          i guess it would be a good idea to just ask the op what vehicle it came out of?
          sigpic
          Gigitty Gigitty!!!!

          88 cabrio becoming alpina b6 3.5s transplanted s62
          92 Mtech 2 cabrio alpinweiss 770 code
          88 325ix coupe manual lachsilber/cardinal
          88 325ix coupe manual diamondschwartz/natur
          87 e30 m3 for parts lachsilber/cardinal(serial number 7)
          12 135i M sport cabrio grey/black

          Comment


            #6
            The S at the end is an indication of it's an LSD.
            Originally posted by Matt-B
            hey does anyone know anyone who gets upset and makes electronics?

            Comment


              #7
              Originally posted by flyboyx View Post
              i like the way you think but what e30 came with that ratio?

              perhaps a manual 318i cabrio with cold weather package? i've had a few of these over the years and can't recall if it was 4.27 or 4.29

              i guess it would be a good idea to just ask the op what vehicle it came out of?
              318I convertable i think?
              Build thread

              Bimmerlabs

              Comment


                #8
                4.27 was in the auto '91 318i softtop, it's true. Small case, tho.

                t
                now, sometimes I just mess with people. It's more entertaining that way. george graves

                Comment


                  #9
                  Hioooo

                  Sent from my SM-G900T using Tapatalk

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                    #10
                    If it's a 188, take the cover off, look at the markings on the ring gear:

                    http://bimmerdiffs.wikidot.com/ring-and-pinion-sets
                    Originally posted by priapism
                    My girl don't know shit, but she bakes a mean cupcake.
                    Originally posted by shameson
                    Usually it's best not to know how much money you have into your e30

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                      #11
                      I'd suggest it's likely a 4.27, but the easy way to see if that's around the mark is to turn the output shafts and see how many rotations the input shaft does.

                      Easier than tearing the diff apart to get a quick idea.
                      My e30: OEM+ with M30B35

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