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  4. E30 M50 tear down kinda thing

E30 M50 tear down kinda thing

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  • Brian.B
    Brian.B
    Brian.
    wrote on last edited by
    #71

    10K front, 12k rear? Should be the otherway around. higher spring rates in the front, lower rear. Unless stuff is Different in Subaru WRX STi's. But I doubt that.

    instagram @howdoyoudrivethat

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    • StewCrewS
      StewCrewS
      StewCrew
      wrote on last edited by
      #72

      Rowleym said:

      ^thats exactly what rates I was thinking. Thanks man. I'm excited to get them. If you were to do it again, would you do the same thing?

      Absolutely. I have rode in tons of lowered cars, but none of them were as comfy. My evo when I owned it was on the ground, and at times it felt like shit. I recommend BCs to everyone man.

      Posted Image

      When I was this low it rode almost as good as stock. This was also before I adjusted the front camber so the fitment was kinda meh. All of this coilover talk is making me miss driving it again lol.

      7475a3b8-1768-471d-a58d-a14ce9cfe544zps

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      • Brian.B
        Brian.B
        Brian.
        wrote on last edited by
        #73

        If this thing isn't on the fucking GROUND when I see it. I'll be dissapointed in you Jake.

        instagram @howdoyoudrivethat

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        • R
          R
          Rowleym
          wrote on last edited by
          #74

          Brian said:

          10K front, 12k rear? Should be the otherway around. higher spring rates in the front, lower rear. Unless stuff is Different in Subaru WRX STi's. But I doubt that.

          I've been doing a ton of research on this for e30's and for some reasons all of them have lower spring rates in the front. Do not know why.

          96.jpg96.jpg96.jpg96.jpg

          sk8 or die

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          • R
            R
            Rowleym
            wrote on last edited by
            #75

            Jake, what tire and rim setup are you using by the way? I'm thinking about doing a 15x8. I can have some decent grip and also a bit more tire to keep it cheaper. Also, are you okay with all this thread derailing? Haha

            96.jpg96.jpg96.jpg96.jpg

            sk8 or die

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            • B
              B
              B C
              wrote on last edited by
              #76

              Brian said:

              10K front, 12k rear? Should be the otherway around. higher spring rates in the front, lower rear. Unless stuff is Different in Subaru WRX STi's. But I doubt that.

              Rowleym said:

              I've been doing a ton of research on this for e30's and for some reasons all of them have lower spring rates in the front. Do not know why.

              My springs are 315 lb/in front 570 lb/in rear. The rear springs are stiffer because of the leverage involved in the trailing arm rear suspension design. If you go to a coilover design that relocates the spring onto the damper, then you need to reduce the rear spring rate to achieve the same balance (without doing the calculations I would estimate that I would need to go down to a 380-410 lb/in rear spring for example)

              A 240sx for example, typically has equal or stiffer front springs than the rear (if my memory serves me properly this morning) due to it having a multi-link rear suspension where there is little to no leverage in the suspension links that would require stiffer springs than normal.

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              • Brian.B
                Brian.B
                Brian.
                wrote on last edited by
                #77

                Rowleym said:

                Jake, what tire and rim setup are you using by the way? I'm thinking about doing a 15x8. I can have some decent grip and also a bit more tire to keep it cheaper. Also, are you okay with all this thread derailing? Haha

                No such thing on Wibimmers.

                instagram @howdoyoudrivethat

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                • StewCrewS
                  StewCrewS
                  StewCrew
                  wrote on last edited by
                  #78

                  Brian said:

                  10K front, 12k rear? Should be the otherway around. higher spring rates in the front, lower rear. Unless stuff is Different in Subaru WRX STi's. But I doubt that.

                  Idunno subaru motors work sideways so who knows. The BC's come stiffer in the rear, and for the most part I thought most coilovers come stiffer in the rear? But I wanted the car to feel super tight so I got higher rates, and it definitely does.

                  Brian said:

                  If this thing isn't on the fucking GROUND when I see it. I'll be dissapointed in you Jake.

                  If these "m50 into e30 chasis" mounts let the motor sit ever so slightly higher, then yes, shit will be dropped. If they dont, shit will also be dropped.

                  7475a3b8-1768-471d-a58d-a14ce9cfe544zps

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                  • Brian.B
                    Brian.B
                    Brian.
                    wrote on last edited by
                    #79

                    StewCrew said:

                    Idunno subaru motors work sideways so who knows. The BC's come stiffer in the rear, and for the most part I thought most coilovers come stiffer in the rear? But I wanted the car to feel super tight so I got higher rates, and it definitely does.

                    Idk man, S13 coils are the same way, stiffer front slightly lesss stiff in the rear. I'd assume due to fat ass engines. But hey, potato.

                    StewCrew said:

                    If these "m50 into e30 chasis" mounts let the motor sit ever so slightly higher, then yes, shit will be dropped. If they dont, shit will also be dropped.

                    Dropped or dropped. I like it. Me too. I bottom out everywhere (my oil pan and new bumper) So I'm right along with you babe!

                    instagram @howdoyoudrivethat

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                    • StewCrewS
                      StewCrewS
                      StewCrew
                      wrote on last edited by
                      #80

                      Rowleym said:

                      Jake, what tire and rim setup are you using by the way? I'm thinking about doing a 15x8. I can have some decent grip and also a bit more tire to keep it cheaper. Also, are you okay with all this thread derailing? Haha

                      Thread derailing? Not giving a fuck man :) Im hopefully helpin you out with your future setup so its all good.

                      The sportmaxx in the pic I just uploaded were 15x8 on a 195/45 tire I believe? The car was scrapping everywhere. It was great. But I sold those and now have these:

                      Posted Image

                      Posted Image

                      These are 17x7 with 20mm spacer up front (205/45) and 17x9 with 5mm spacers in back (215/45). Goodyear Eagle GT's all around. These are for cruising/meets/not drift day.

                      I just run all spares for drift days.

                      Posted Image

                      \m/

                      7475a3b8-1768-471d-a58d-a14ce9cfe544zps

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                      • R
                        R
                        Rowleym
                        wrote on last edited by
                        #81

                        Those 15x8's look great! I need a skid plate for sure..

                        96.jpg96.jpg96.jpg96.jpg

                        sk8 or die

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                        • Brian.B
                          Brian.B
                          Brian.
                          wrote on last edited by
                          #82

                          Rowleym said:

                          Those 15x8's look great! I need a skid plate for sure..

                          Naw.

                          instagram @howdoyoudrivethat

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                          • StewCrewS
                            StewCrewS
                            StewCrew
                            wrote on last edited by
                            #83

                            Rowleym said:

                            Those 15x8's look great! I need a skid plate for sure..

                            Yeah I liked them, but eventually got bored and they were too small for my taste. I love how the staggered 17s look and glad I stepped up in wheel size.

                            7475a3b8-1768-471d-a58d-a14ce9cfe544zps

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                            • StewCrewS
                              StewCrewS
                              StewCrew
                              wrote on last edited by
                              #84

                              Snap Understeer said:

                              My springs are 315 lb/in front 570 lb/in rear. The rear springs are stiffer because of the leverage involved in the trailing arm rear suspension design. If you go to a coilover design that relocates the spring onto the damper, then you need to reduce the rear spring rate to achieve the same balance (without doing the calculations I would estimate that I would need to go down to a 380-410 lb/in rear spring for example)

                              A 240sx for example, typically has equal or stiffer front springs than the rear (if my memory serves me properly this morning) due to it having a multi-link rear suspension where there is little to no leverage in the suspension links that would require stiffer springs than normal.

                              The ways of the e30 explained. This is good info! Thanks :)

                              7475a3b8-1768-471d-a58d-a14ce9cfe544zps

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                              • R
                                R
                                Rowleym
                                wrote on last edited by
                                #85

                                I might step it up to a 16, but I feel like keeping them smaller would be lots cheaper for tires, and when you drift, you definitely use tires.

                                96.jpg96.jpg96.jpg96.jpg

                                sk8 or die

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                                • StewCrewS
                                  StewCrewS
                                  StewCrew
                                  wrote on last edited by
                                  #86

                                  Rowleym said:

                                  I might step it up to a 16, but I feel like keeping them smaller would be lots cheaper for tires, and when you drift, you definitely use tires.

                                  Right. Which is why I have 12 spares right now. Can never have too many spares :)

                                  7475a3b8-1768-471d-a58d-a14ce9cfe544zps

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                                  • Brian.B
                                    Brian.B
                                    Brian.
                                    wrote on last edited by
                                    #87

                                    Rowleym said:

                                    I might step it up to a 16, but I feel like keeping them smaller would be lots cheaper for tires, and when you drift, you definitely use tires.

                                    Just an FYI, if you're going to drift, go to a junkyard like gibsons in neenah, buy their shitty used tires, for $10 a pop. or buy new starfires. Those will last you plenty of drift days. Starfires last for eva

                                    instagram @howdoyoudrivethat

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                                    • StewCrewS
                                      StewCrewS
                                      StewCrew
                                      wrote on last edited by
                                      #88

                                      Brian said:

                                      Just an FYI, if you're going to drift, go to a junkyard like gibsons in neenah, buy their shitty used tires, for $10 a pop. or buy new starfires. Those will last you plenty of drift days. Starfires last for eva

                                      ^ this. Junkyards are the best for spares

                                      7475a3b8-1768-471d-a58d-a14ce9cfe544zps

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                                      • EarlE
                                        EarlE
                                        Earl
                                        wrote on last edited by
                                        #89

                                        Rowleym said:

                                        I might step it up to a 16, but I feel like keeping them smaller would be lots cheaper for tires, and when you drift, you definitely use tires.

                                        I think 16" tires are cheaper than 15"...

                                        museum sig 2earl.jpg

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                                        • R
                                          R
                                          Rowleym
                                          wrote on last edited by
                                          #90

                                          Earl said:

                                          I think 16" tires are cheaper than 15"...

                                          Really? I feel like 15 inch is more common right? Wouldn't I find more 15" tires off like Hondas as a junk yard?

                                          96.jpg96.jpg96.jpg96.jpg

                                          sk8 or die

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