Early model E30 lowest lowering rear springs???

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  • DAN-E30
    Noobie
    • Apr 2022
    • 28

    #1

    Early model E30 lowest lowering rear springs???

    Hey guys i have an early model coupe e30 1985 and im struggeling to find the right lowering springs to match them with my short koni's sport in the rear. I have 17x10 wheels in the rear and i want to close the wheel fender gap. I would appreciate it if you can list for me all the rear spring models that i should consider with specs (lenght, diameter etc...)? a 5'' (2.5'' diameter) is low enough for a high arch E30? The early model E30 is a real pain in the ass to lower it because of it's high rear arch compared to the late models

    im considering the GC coilover conversion kit showing on the picture and i was wondering how low they can get without running the adjusters in the rear?
  • It's Soda Not Pop
    E30 Modder
    • Jan 2022
    • 854

    #2
    I use the GC coilovers. But I also have a late model. Maybe Swift springs would work.
    (I also need to lower my front. so if you look at pics don't judge to hard)

    88' Seta 2.7i Zinno

    https://www.r3vlimited.com/board/for...430-my-88-seta

    Comment

    • WestCoastEta
      E30 Addict
      • May 2015
      • 475

      #3
      I'm running 4" Eibachs in the rear with GC conversion kit adjusters. There's still a little room to go lower.



      The rear GC perches use 2.25 ID springs.

      (Front strut housings were also shortened 2")

      Comment

      • iXguido
        Mod Crazy
        • Nov 2009
        • 716

        #4
        I'm running the GC kit as well and I believe I'm on 4" rear springs with room to go lower like WestCoastEta said.
        Sitting on 205/50-15s and the front housings are stock length on 6" springs with room to drop as well.

        Comment

        • DAN-E30
          Noobie
          • Apr 2022
          • 28

          #5
          Originally posted by It's Soda Not Pop
          I use the GC coilovers. But I also have a late model. Maybe Swift springs would work.
          (I also need to lower my front. so if you look at pics don't judge to hard)
          Do you know the model of the Swift rear springs that would work?

          Comment

          • DAN-E30
            Noobie
            • Apr 2022
            • 28

            #6
            Originally posted by WestCoastEta
            I'm running 4" Eibachs in the rear with GC conversion kit adjusters. There's still a little room to go lower.



            The rear GC perches use 2.25 ID springs.

            (Front strut housings were also shortened 2")
            ok so when i order the GC conversion kit i should ask for the 4'' Eibachs to be able to go as low as i want? because i beleive they put 5.5'' on their website, i didn't know the lenght of the spring is customizable

            Comment

            • DAN-E30
              Noobie
              • Apr 2022
              • 28

              #7
              Originally posted by iXguido
              I'm running the GC kit as well and I believe I'm on 4" rear springs with room to go lower like WestCoastEta said.
              Sitting on 205/50-15s and the front housings are stock length on 6" springs with room to drop as well.

              Are you able to lower it to close the gap completley in the rear with the adjusters? and how low it would go without the adjusters on the 4'' springs?

              Comment

              • It's Soda Not Pop
                E30 Modder
                • Jan 2022
                • 854

                #8
                Originally posted by DAN-E30

                Do you know the model of the Swift rear springs that would work?
                Unfortunately I do not, But you can email GC and they should be able to help you get it sorted. I believe they will use different springs, or whatever works in your favor. You may have to go with a true coilover in the rear.

                88' Seta 2.7i Zinno

                https://www.r3vlimited.com/board/for...430-my-88-seta

                Comment

                • WestCoastEta
                  E30 Addict
                  • May 2015
                  • 475

                  #9
                  I bought the springs directly from Eibach but I imagine GC can probably hook you up with the right one

                  Comment

                  • It's Soda Not Pop
                    E30 Modder
                    • Jan 2022
                    • 854

                    #10
                    Here are some other options as well. But like I said GC should be able to help you out.



                    Condor Speed Shop offers multiple variations of the KW Automotive coilover system. We offer Version 1 features and Version 3 features of the coilover kit.

                    88' Seta 2.7i Zinno

                    https://www.r3vlimited.com/board/for...430-my-88-seta

                    Comment

                    • DAN-E30
                      Noobie
                      • Apr 2022
                      • 28

                      #11
                      Originally posted by WestCoastEta
                      I bought the springs directly from Eibach but I imagine GC can probably hook you up with the right one
                      ok perfect i will send them an email for sure, thanks man

                      Comment

                      • DAN-E30
                        Noobie
                        • Apr 2022
                        • 28

                        #12
                        Originally posted by It's Soda Not Pop
                        Here are some other options as well. But like I said GC should be able to help you out.



                        https://www.condorspeedshop.com/prod...31568689922094
                        yes these are nice for sure but expensive

                        Comment

                        • DAN-E30
                          Noobie
                          • Apr 2022
                          • 28

                          #13
                          Originally posted by WestCoastEta
                          I bought the springs directly from Eibach but I imagine GC can probably hook you up with the right one
                          one more question for you how low you get in the rear on the 4'' springs with and without the adjusters?

                          Comment

                          • iXguido
                            Mod Crazy
                            • Nov 2009
                            • 716

                            #14
                            Originally posted by DAN-E30

                            Are you able to lower it to close the gap completley in the rear with the adjusters? and how low it would go without the adjusters on the 4'' springs?
                            Yes that is certainly possible. If the adjusters were removed in the rear with 4" springs the wheel would be rubbing inside the fender.

                            As @It's Soda Not Pop said, contact GC when you order and tell them exactly what you want and they will set you up. This is my third coil-over kit I've bought from them and they've been able to get me exactly what I need every time.

                            Keep in mind that if you goo that low you will need to weld in camber adjusters in the rear or you will be destroying the insides of your tires.

                            Comment

                            • WestCoastEta
                              E30 Addict
                              • May 2015
                              • 475

                              #15
                              Originally posted by DAN-E30

                              one more question for you how low you get in the rear on the 4'' springs with and without the adjusters?
                              mine are set here, so probably like an inch?

                              Comment

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