$2 Ghetto Poly Control Arm Bushings

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • funcrew
    E30 Fanatic
    • Jun 2007
    • 1223

    #1

    $2 Ghetto Poly Control Arm Bushings

    In "odd couple" terms, this one is for the Oscars. Felixes have your barf bags handy.

    I was crawling under my cabrio, trying (as usual) to locate yet another leak (the steering rack this time) when I noticed that the control arm bushings were totally shot. I had noticed this condition many times before, and Rob at e30motorwerks.com had also mentioned it to me. This was one of those non-life-threatening things that I had intended to put off for a couple more years.

    But then I got to thinking (never a good thing in my case). So I grabbed my trusty caulking gun, conveniently loaded with polyurethane sealing caulk left over from my subframe bushings mod, and the stuff just so happens to be EXACTLY 75D (more or less, unless it's not) hardness. I'm counting half the tube as my cost for this project.



    I cleaned the bushings & surrounding area with some purple power cleaner, then repeated that process a few times. Rinsed thoroughly with pure Colorado River tap water and dried it all out with an electric heat gun. Applied Griot's Garage best-of-show wax to the control arm only, careful to not get any on the bushings or lollipop.

    Squirted poly caulk into all the voids in the CAB's, then built up some more on the outside, tapering from thicker at the center, actually touching the waxed-up control arms, then thinning out gradually toward the outer edges of the bushing/lollipop. This on both sides of each bushing. Let the goop set up for 24 hours without moving the car. Done.

    TEST DRIVE: Steering is more precise, less drama on braking, considerably more vibration in the steering wheel.

    LESSONS LEARNED: It was cold (for the desert, anyway) when I did the project, and it was a pain waiting for the poly to set up good and hard when I needed to drive the car. This would be a much faster job in July, when the poly would cure in half a day or so. BTW don't tape over the poly with your daughter's purple craft duct tape :) to hold it in place - this will totally prevent it from curing (Ask me how I know).

    SUMMARY: The fix did everything I wanted & I would do it again without reservations.
    Last edited by funcrew; 12-04-2008, 09:16 PM.
    "If the sky were to fall tomorrow, the tall would die first."

    -Dr. Paul Forrester



    Do I LOOK like I need a psychological evaluation???
  • Teaguer
    R3V OG
    • Sep 2004
    • 6167

    #2
    Uhhh good job ?

    E30 M3 / E30 325is / E34 525iT / E34 535i

    Comment

    • dashboardmonkey
      FUCK YOUR WAFFLES
      • Jun 2008
      • 6158

      #3
      Haha, Ingenuity is a must when you own an E30, But CAB's are only like 17 bucks each.
      -Andy

      Comment

      • funcrew
        E30 Fanatic
        • Jun 2007
        • 1223

        #4
        Originally posted by dashboardmonkey
        Haha, Ingenuity is a must when you own an E30, But CAB's are only like 17 bucks each.
        True. But I'm an old geezer and have things I'd rather do on weekends than fix cars. If and when I get inspired to take the suspension apart, I'll put in M3 CAB's, springs, shocks, and camber plates. For now, this hack job made a nice improvement.
        "If the sky were to fall tomorrow, the tall would die first."

        -Dr. Paul Forrester



        Do I LOOK like I need a psychological evaluation???

        Comment

        • funcrew
          E30 Fanatic
          • Jun 2007
          • 1223

          #5
          Originally posted by Teaguer
          Uhhh good job ?
          Good enough for now. Obviously not for everyone.
          "If the sky were to fall tomorrow, the tall would die first."

          -Dr. Paul Forrester



          Do I LOOK like I need a psychological evaluation???

          Comment

          • e30rcr
            Banned
            • Dec 2007
            • 383

            #6
            Pics

            Comment

            • dashboardmonkey
              FUCK YOUR WAFFLES
              • Jun 2008
              • 6158

              #7
              Originally posted by funcrew
              True. But I'm an old geezer and have things I'd rather do on weekends than fix cars. If and when I get inspired to take the suspension apart, I'll put in M3 CAB's, springs, shocks, and camber plates. For now, this hack job made a nice improvement.
              True true
              -Andy

              Comment

              • alpinweib30
                Advanced Member
                • Nov 2008
                • 135

                #8
                i have thought of doing this myself. i think that gorilla glue is polly also i know it drys very hard and sticks to anything
                86 325e limo
                build thread
                http://r3vlimited.com/board/showthread.php?t=126204

                Comment

                • e30rcr
                  Banned
                  • Dec 2007
                  • 383

                  #9
                  Originally posted by alpinweib30
                  i have thought of doing this myself. i think that gorilla glue is polly also i know it drys very hard and sticks to anything

                  Comment

                  • Joe318is
                    R3V OG
                    • Sep 2005
                    • 6451

                    #10
                    liquid nail saved me from having to do subframe mounts on an E28. Worth the effort when the car was only worth $200.


                    Originally posted by vlad
                    Do you know anybody else who built that many bad ass E30s?

                    Comment

                    • funcrew
                      E30 Fanatic
                      • Jun 2007
                      • 1223

                      #11
                      Originally posted by alpinweib30
                      i have thought of doing this myself. i think that gorilla glue is polly also i know it drys very hard and sticks to anything
                      You guys are crazy. Gorilla glue and liquid nails are NOT equivalent to the EXACTLY (more or less) 75D POLYURETHANE that I used. If you're going to do a hack job, then at least use properly engineered materials. Geez.
                      "If the sky were to fall tomorrow, the tall would die first."

                      -Dr. Paul Forrester



                      Do I LOOK like I need a psychological evaluation???

                      Comment

                      • gearheadE30
                        No R3VLimiter
                        • Jun 2007
                        • 3734

                        #12
                        lol. a pissing match about hack repairs. I should have expected it.



                        in all seriousness, though, that polyurethane goop probably works pretty well.

                        Project M42 Turbo

                        Comment

                        • funcrew
                          E30 Fanatic
                          • Jun 2007
                          • 1223

                          #13
                          Originally posted by gearheadE30
                          lol. a pissing match about hack repairs. I should have expected it.



                          in all seriousness, though, that polyurethane goop probably works pretty well.
                          I'm kind of disappointed - I expected some serious verbal abuse by this point in the thread.
                          "If the sky were to fall tomorrow, the tall would die first."

                          -Dr. Paul Forrester



                          Do I LOOK like I need a psychological evaluation???

                          Comment

                          • Hellabad
                            E30 Modder
                            • Aug 2008
                            • 807

                            #14
                            You guys are all a bunch of spoiled brats. When I started working on e30s, we didn't have Liquid Nails. We had to us REAL NAILS to fill the gaps in the bushings. An then we had to drive to school uphill both ways.

                            Jay
                            Here is my photo gallery answering common questions about Ground Control Suspension, and e30 suspension problems in general.
                            Ground Control Gallery

                            The Ground Control facebook page: Dragged, kicking and screaming into social media to see what happens next.
                            Ground Control facebook page

                            Comment

                            • ten2doyle102
                              Grease Monkey
                              • Dec 2007
                              • 306

                              #15
                              Originally posted by funcrew
                              I'm kind of disappointed - I expected some serious verbal abuse by this point in the thread.

                              I have no problems with the use of that stuff. I know i'll probably get flamed for it but I was bored awhile back put 3M Window Weld (same thing pretty much) in my d.d. civic's totally shot motor mounts. Took a whole day to cure but the difference was night and day. Its an effective way to stiffen up any mount like our CAB or whatever.
                              1991 318is - Icy, the ice racing e30



                              Now offering Custom Rally Light bars Click the link below for more information!
                              http://www.r3vlimited.com/board/showthread.php?t=342498

                              Comment

                              Working...