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Underdrive Crank Pulley

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    #1

    Underdrive Crank Pulley

    I might be getting an Underdrive crank pulley for an m50. I also will be using a lightened stock m20 flywheel. People say not to use the underdrive crank pulley with a lightweight flywheel. I dont know how much mine weighs but I am assuming 12-13 pounds. Think I should be fine with that combination?

    Will
    RIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
    Welcome e30 (brilliantrot '90 325is) 12/23/06
    DaveCN = Old Man
    My signature picture was taken by ME! Not by anyone else!



    Originally posted by george graves
    If people keep quoting me in their sig, I'm going to burn this motherfucker down.
    Tags: None
    #2
    Don't use a crank pulley. I don't care how cheap you can get it... it is not a good idea to delete the TV damper from the motor.

    With or without a light flywheel... doesn't matter. Crank pullies are bad news period. Search BFc... it's been beaten to death over there.

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      #3
      Light flywheels are great. :)

      Comment

        #4
        So it would be much better to get pulleys for all the accessories then? Like... alot?

        Will
        RIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
        Welcome e30 (brilliantrot '90 325is) 12/23/06
        DaveCN = Old Man
        My signature picture was taken by ME! Not by anyone else!



        Originally posted by george graves
        If people keep quoting me in their sig, I'm going to burn this motherfucker down.

        Comment

          #5
          Yes, much better. I have the eurosport kit. They are BEAUTIFUL and won't make your motor destroy itself.

          Comment

            #6
            I have been readin up on bfc and decided that its best to not get one like you said. Just because it would freak me out a little. Too much to risk for a small gain.

            Will
            RIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
            Welcome e30 (brilliantrot '90 325is) 12/23/06
            DaveCN = Old Man
            My signature picture was taken by ME! Not by anyone else!



            Originally posted by george graves
            If people keep quoting me in their sig, I'm going to burn this motherfucker down.

            Comment

              #7
              There's probably a reason they're ALWAYS for sale on BFs.
              -Brandon
              '86 325es S50
              '12 VW GTI Autobahn DSG
              '03 540i M-Sport (sold)
              '08 Jeep SRT-8 (sold)

              For sale:
              S50 TMS chip for Schricks

              Comment

                #8
                i had this debate with myself too, then decided to just get the accessories pulley, i went with uuc

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