polyurethane VS rubber CABs?

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  • mikejungle
    Grease Monkey
    • Apr 2007
    • 361

    #1

    polyurethane VS rubber CABs?

    someone told me that polyurethane squeaks, cracks, and isn't necessary if the car isn't a track car.
    have i made a mistake in buying the powerflex centered front CABs?

    :(

    I have a stock 325e

    -Mike
    1985 325e
    mods:
    Powerflex CABs
    MOMO Corse Exhaust
    euro bumpers with BBS front spoiler
    e36 m3 shifter
    uuc clutch stop
  • e30_kid89
    E30 Addict
    • Apr 2006
    • 489

    #2
    Dude, you'll be fine just install them. They will increase NVH a bit though.

    Comment

    • mikejungle
      Grease Monkey
      • Apr 2007
      • 361

      #3
      and NVH is..?
      i don't know.
      1985 325e
      mods:
      Powerflex CABs
      MOMO Corse Exhaust
      euro bumpers with BBS front spoiler
      e36 m3 shifter
      uuc clutch stop

      Comment

      • ditchdigger
        Wrencher
        • Nov 2007
        • 238

        #4
        Noise, Vibration, Harshness

        Comment

        • mikejungle
          Grease Monkey
          • Apr 2007
          • 361

          #5
          Ah. I see.

          Is it hard putting the CABs back onto the control arm?
          1985 325e
          mods:
          Powerflex CABs
          MOMO Corse Exhaust
          euro bumpers with BBS front spoiler
          e36 m3 shifter
          uuc clutch stop

          Comment

          • MIKe30
            R3VLimited
            • Sep 2006
            • 2334

            #6
            Originally posted by mikejungle
            Ah. I see.

            Is it hard putting the CABs back onto the control arm?

            IIRC, the hard part is getting it back into the lollipop - usually its pressed in. getting the bushing/lollipop combo back onto the control is not too hard - just grease her up nice.

            Comment

            • mikejungle
              Grease Monkey
              • Apr 2007
              • 361

              #7
              ^what about pulling it off?
              1985 325e
              mods:
              Powerflex CABs
              MOMO Corse Exhaust
              euro bumpers with BBS front spoiler
              e36 m3 shifter
              uuc clutch stop

              Comment

              • MIKe30
                R3VLimited
                • Sep 2006
                • 2334

                #8
                Originally posted by mikejungle
                ^what about pulling it off?
                pulling both the bushing/lollipop off? just grab and pull - the bushing will most likely tear a bit. pull and twist back and forth till it comes off, hope you've been hitting the gym ;)


                getting the bushing out of the lollipop, easiest way is take them to a shop and have them pressed out and in. hard way is hack at the old ones to get them out, and be creative getting the new ones in without damaging them. most on here will suggest you get them pressed in at a shop. will take the shop 5 minutes.

                Comment

                • mikejungle
                  Grease Monkey
                  • Apr 2007
                  • 361

                  #9
                  hm, what about a big c-clamp and some wood boards for even pressure?

                  just a thought.
                  1985 325e
                  mods:
                  Powerflex CABs
                  MOMO Corse Exhaust
                  euro bumpers with BBS front spoiler
                  e36 m3 shifter
                  uuc clutch stop

                  Comment

                  • redhatpat
                    Mod Crazy
                    • Aug 2005
                    • 656

                    #10
                    It had better be a big ass c-clamp. Those CABs are in there pretty good.

                    Comment

                    • Elephant
                      Site Sponsor
                      • Jan 2008
                      • 328

                      #11
                      Originally posted by mikejungle
                      someone told me that polyurethane squeaks, cracks, and isn't necessary if the car isn't a track car.
                      have i made a mistake in buying the powerflex centered front CABs?

                      :(

                      I have a stock 325e

                      -Mike
                      Urethane is certainly not needed for street use but it's not a bad thing.

                      As for changing them....getting the old ones off will be the worst part. You can use a 2 or 3 jaw puller carefully and you will tear the bushing. Then the inner part/sleeve is left on the control arm. Again, you should be able to use the puller to get it off. Take the parts to a shop and have them press in the new bushings. They should go back on pretty easily.

                      Cheers.
                      Jack Money
                      http://www.Elephant Motorsports.com

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