LSD rebuild with 944 discs?

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  • dnick
    E30 Fanatic
    • Apr 2011
    • 1377

    #1

    LSD rebuild with 944 discs?

    Has anyone done this? searched and didnt get anything.. Ive heard that the clutches are a little thicker and provide more lock up..
    Last edited by dnick; 01-15-2012, 08:28 PM.
  • priapism
    E30 Enthusiast
    • Mar 2010
    • 1182

    #2
    Is the diff the same or something? How would 944 clutches fit?
    sigpic
    -Sean : 91 Calypso 325i : Castro Motorsports SoCal Spec E30 #33

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    • dnick
      E30 Fanatic
      • Apr 2011
      • 1377

      #3
      Originally posted by priapism
      Is the diff the same or something? How would 944 clutches fit?
      Its similar in some way, i cant find the link that explained why..
      and apparently the discs fit, you just need to flip the dog ears.

      Im not sure how much more lock up they give though, thats why im asking if anyone has done this before.

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      • Adrian_Visser
        R3VLimited
        • Jun 2006
        • 2823

        #4
        info ITT: http://www.r3vlimited.com/board/show...or+rust+repair

        It's a couple pages in.

        '89 Alpine S52 with goodies

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        • Jean
          Moderator
          • Aug 2006
          • 18228

          #5
          What's the point of using 944 discs again? You know you can get OEM discs for less than $50 a pop from your local dealer right?

          I picked up four of them last year and had a forum member in SF build me a new diff with 4 discs.
          Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205



          OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827

          Comment

          • Jaxx_
            E30 Mastermind
            • Dec 2009
            • 1880

            #6
            Originally posted by dnick
            Its similar in some way, i cant find the link that explained why..
            and apparently the discs fit, you just need to flip the dog ears.

            Im not sure how much more lock up they give though, thats why im asking if anyone has done this before.
            you flip the dog ears because you need a fresh friction surface if you're servicing the diff.

            it apparently ramps lockup from ~25% to 3-something% or 42%. I can't remember the exact numbers. Yoshi did a write up. As I understand the factory discs are 2mm and the porsche ones are 2.1, so constantly more friction.

            They will be stronger than factory, even simply replacing the ones that are in there now, not even adding more.
            '84 318i M10B18 147- Safari Beige
            NA: 93whp/90ftlbs, MS2E w/ LC, 2-Step
            Turbo: 221whp/214ftlbs, MS3x flex @ 17psi

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            • dnick
              E30 Fanatic
              • Apr 2011
              • 1377

              #7
              hmm soo it kind of is worth it then? because i saw that you can get the 944 discs for under 50...

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              • CoreyZ
                Grease Monkey
                • Jan 2012
                • 384

                #8
                More lockup isn't necessarily better. It depends on what your intended purpose for the car is.

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