Best rear geometry adjuster kit

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  • CorvallisBMW
    Long Schlong Longhammer
    • Feb 2005
    • 13039

    #1

    Best rear geometry adjuster kit

    I'm looking for a kit of eccentrics/bushings that will allow camber and/or toe adjustments in the rear. I know IE has a kit for one or the other, and there are some floating around on eBay, but I want some advice from guys who know more about this than I do. What are the best brands/parts to use with stock rubber TA bushings?
  • e30_kid89
    E30 Addict
    • Apr 2006
    • 489

    #2
    I would say the best is the IE weld-on kit. A lot of ppl have said the kmac bushings dont hold their alignment after a few miles. Not sure about the AKG bushings but they're urethane, and you want rubber. So i would go with the IE kit. You'll have to pull the subframe though to install it.

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    • CorvallisBMW
      Long Schlong Longhammer
      • Feb 2005
      • 13039

      #3
      I was planning on pulling the subframe to do the bushings and rear sway mount reinforcement anyway, so no big deal there.

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      • DSP74
        E30 Enthusiast
        • Nov 2007
        • 1121

        #4
        Note that if you were to pin the K-mac bushings with a set screw they would not lose their alignment. An inconvienence yes. But for autocrossers that I/E kit just isn't legal for anything hardly. You would have to go all the way to XP, or FP.
        sigpic


        88 325is

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        • CorvallisBMW
          Long Schlong Longhammer
          • Feb 2005
          • 13039

          #5
          ^not autocrossing, so no big deal for me.

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          • StereoInstaller1
            GAS
            • Jul 2004
            • 22679

            #6
            Hey man, I just bought the bolts/washers/nuts from the steelership.

            When I get a minute, I am gonna find some square stock that will do the job, then weld up my own version of the IE kit, only stronger and more intelligent.

            So, after I swap out the rear subframe, I will have a spare subframe sitting around.

            Want it? You can have it as long as you promise NOT to give it back.

            Won't be done by the 29th, though.

            See ya!
            Luke

            Closing SOON!
            "LAST CHANCE FOR G.A.S." DEAL IS ON NOW

            Luke AT germanaudiospecialties DOT com or text 425-761-6450, or for quickest answers, call me at the shop 360-669-0398

            Thanks for 10 years of fun!

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            • DSP74
              E30 Enthusiast
              • Nov 2007
              • 1121

              #7
              That's fine if you aren't autoxing. I just want to point out that LOTS of autoxers use offset or eccentric bushings of one form or another. They all need to be pinned. Just K-mac doesn't say anything because that would seem inconvenient and fewer would be sold.
              sigpic


              88 325is

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              • CorvallisBMW
                Long Schlong Longhammer
                • Feb 2005
                • 13039

                #8
                hmmm, I might take you up on that Luke. All the parts are for the 'vert, so I can take it apart and leave it in pieces for a long time if I want, I'm in no rush. As long as it's done before the picnic :)

                btw, I'm about to drop about $1600 for suspension parts :shock: It's getting new EVERYTHING

                Comment

                • Erick
                  Official R3V Drifter
                  • Oct 2003
                  • 11169

                  #9
                  Originally posted by e30_kid89
                  I would say the best is the IE weld-on kit. A lot of ppl have said the kmac bushings dont hold their alignment after a few miles.
                  Agreed. Etxxz has kmac on his car and he's having a horrible time dealing with rear camber.

                  I would definetly go with the IE kit if you're looking for rear suspension adjustment.
                  Erick Mahle | FullOpp Drift | YouTube
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                  ...one of the most hardcore E30's around. :D

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                  • DSP74
                    E30 Enthusiast
                    • Nov 2007
                    • 1121

                    #10
                    As much as it'll be a brutal PITA I think I'm going to seriously look into all new trailing arms with the adjustments built into the arm itself.
                    sigpic


                    88 325is

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                    • matt
                      No R3VLimiter
                      • Oct 2003
                      • 3731

                      #11
                      Originally posted by DSP74
                      As much as it'll be a brutal PITA I think I'm going to seriously look into all new trailing arms with the adjustments built into the arm itself.
                      Good luck with that.

                      I like the IE kit also, but I'm going to need to swap mine out since they aren't spece30 legal.

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                      • Mike B.
                        E30 Modder
                        • Jan 2006
                        • 987

                        #12
                        Originally posted by matt
                        Good luck with that.

                        I like the IE kit also, but I'm going to need to swap mine out since they aren't spece30 legal.
                        Matt,

                        Can you use the shortened subframe bushings in SpecE30? They did a nice job of curing my camber/toe issues with my car.

                        Comment

                        • Sean
                          R3V Elite
                          • Oct 2003
                          • 5793

                          #13
                          Originally posted by DSP74
                          As much as it'll be a brutal PITA I think I'm going to seriously look into all new trailing arms with the adjustments built into the arm itself.
                          How does something that custom not bump you out of your class when autocrossing? And, fancy adjustable bushing mounts do?
                          - Sean Hayes

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                          • matt
                            No R3VLimiter
                            • Oct 2003
                            • 3731

                            #14
                            Originally posted by Mike B.
                            Matt,

                            Can you use the shortened subframe bushings in SpecE30? They did a nice job of curing my camber/toe issues with my car.
                            I'll have to check. Honestly, I may run non-eccentric urethane bushings... I think the camber is just about right. I can also use spring pads to adjust ride height and thus camber.

                            Comment

                            • DSP74
                              E30 Enthusiast
                              • Nov 2007
                              • 1121

                              #15
                              Originally posted by Sean
                              How does something that custom not bump you out of your class when autocrossing? And, fancy adjustable bushing mounts do?

                              Because I can change anything attached to the pickup points, just not the pickup points them selves.

                              By slotting the holes you are changing the mounting point.
                              sigpic


                              88 325is

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