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  4. ClassE 1989 325IS Build Thread

ClassE 1989 325IS Build Thread

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  • EarlE
    EarlE
    Earl
    wrote on last edited by
    #289

    http://www.e30tech.com/forum/showthread.php?t=118014

    museum sig 2earl.jpg

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    • ClassEC
      ClassEC
      ClassE
      wrote on last edited by
      #290

      We can get back to ITB's later - I could use a hand sorting this out:

      ClassE said:

      Well.... Might have found the culprit for my slight grinding from rear. Not sure:

      Rotated wheel ends from both sides - couldn't hear anything troublesome, only noise was a slight "whine" from diff. So put new pads in passenger side and reassembled - turned over to same results. Put rotor back on drivers side and turned over by hand. "GGRRIIINNDDD"

      Ruh-oh

      Checked to make sure ebrake was fully disengaged, rotated again and got the same sound. Removed rotor and found these on inside of rotor:

      AA5EDD52-B165-40F7-AF57-871A7C033B7B.jpg

      2 separate cracks, about 60 degrees apart. I swapped rotors side-to-side and got same grinding.... So not sure if it's the issue.

      Shoes are seated firmly against backing plate, springs seem to be under good tension, and brake appears to be operating normally. There was some heat cracking on shoes - but not excessive wear.

      Thoughts?

      Don't have a lot of experience replacing shoes/springs, so will have to do some research in the AM.

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      • EarlE
        EarlE
        Earl
        wrote on last edited by
        #291

        New rotors should be the fix=)

        museum sig 2earl.jpg

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        • ClassEC
          ClassEC
          ClassE
          wrote on last edited by
          #292

          I would agree - except when I swapped rotors the noise stayed the same.... Makes me think something on the shoes needs adjusting or replacing?

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          0
          • KaiserRollsK
            KaiserRollsK
            KaiserRolls
            wrote on last edited by
            #293

            ClassE said:

            I have a burning hatred of the M20 intake manifold, if I keep that platform it will have to be changed to something (SRI, ITB's, ANYTHING else). I'm open to a lot of ideas... Just not keeping that ugly ass mani.

            M30 swap

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            0
            • B
              B
              B C
              wrote on last edited by
              #294

              does the sound change as you pull up on the handbrake ? 

              My original handbrake shoes had chunks missing from them

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              • ClassEC
                ClassEC
                ClassE
                wrote on last edited by
                #295

                Snap said:

                does the sound change as you pull up on the handbrake ?

                My original handbrake shoes had chunks missing from them

                Not while driving.

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                • ClassEC
                  ClassEC
                  ClassE
                  wrote on last edited by
                  #296

                  KaiserRolls said:

                  M30 swap

                  Sideways squid is just as ugly.

                  1 Reply Last reply
                  1
                  • AndrewA
                    AndrewA
                    Andrew
                    wrote on last edited by
                    #297

                    I thought my grinding/noise was a poorly adjusted ebrake shoe until i ran the car on jackstands, put my head under the rear, and heard the sound was coming from the diff.  I have a different diff in the car now, soon i will see if i improved things...

                    I also have a irrationally massive hatred for the stock m20 intake manifold.  I dont care if i mess up any finely tuned Helmholtz resonance that the stock manifold provides, I want it out. It just doesnt look right to me and clutters up what could be a beautifully clean and simple engine bay.  Sign me up for any ITB development prototypes:)  I was also having turbo thoughts just last night to justify a manifold like this

                    baystg1.jpg

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                    • andyhundleyA
                      andyhundleyA
                      andyhundley
                      wrote on last edited by
                      #298

                      That intake manifold is beautiful! Is there any aftermarket companies that them like the one in the picture?

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                      0
                      • ClassEC
                        ClassEC
                        ClassE
                        wrote on last edited by
                        #299

                        I haven't seen any Andy - and I've been looking.

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                        • ClassEC
                          ClassEC
                          ClassE
                          wrote on last edited by
                          #300

                          I'm LOVING that intake mani above!!!

                          I wonder what the power band would feel like to run a intake mani like that NA, with the intention if running boost in the future? I'm assuming a slight lose of low end torque, but possibly a slight gain at higher end (depending on runner length and size). I'd want internal full bell radius stacks integrated into design....

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                          • R
                            R
                            Rowleym
                            wrote on last edited by
                            #301

                            ClassE said:

                            I'm LOVING that intake mani above!!!

                            I wonder what the power band would feel like to run a intake mani like that NA, with the intention if running boost in the future? I'm assuming a slight lose of low end torque, but possibly a slight gain at higher end (depending on runner length and size). I'd want internal full bell radius stacks integrated into design....

                            Very easy to do with m20! Especially if you aren't incorporating itbs. But I bet you 50$ that intake manifold won't flow better than stock NA.

                            96.jpg96.jpg96.jpg96.jpg

                            sk8 or die

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                            • ClassEC
                              ClassEC
                              ClassE
                              wrote on last edited by
                              #302

                              Rowleym said:

                              Very easy to do with m20! Especially if you aren't incorporating itbs. But I bet you 50$ that intake manifold won't flow better than stock NA.

                              Stock NA? You're probably right. With some standard bolt-ons tho (cam, chip tuning, bigger injectors, etc...) I wouldn't be as confident.

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                              • EarlE
                                EarlE
                                Earl
                                wrote on last edited by
                                #303

                                You could make one work for a good NA build before going to a turbo, but it wouldn't be any better than the octopus besides looking better. In that case, I say do it because I am a douche and am all about looks=)

                                museum sig 2earl.jpg

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                                • ClassEC
                                  ClassEC
                                  ClassE
                                  wrote on last edited by
                                  #304

                                  I hate the original manifold enough I'd have no issues sacrificing some performance to change the aestethics until I had everything ready for boost. I'd like to pursue the ITB route tho if we can make it cost effective.

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                                  • B
                                    B
                                    B C
                                    wrote on last edited by
                                    #305

                                    A log manifold will have much nicer acoustics/induction sound than the stock M20 manifold. I would do a custom log manifold before ITBs, you will still gain awesome sounds, especially when running MS with a map sensor.

                                    1 Reply Last reply
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                                    • R
                                      R
                                      Rowleym
                                      wrote on last edited by
                                      #306

                                      Snap said:

                                      A log manifold will have much nicer acoustics/induction sound than the stock M20 manifold. I would do a custom log manifold before ITBs, you will still gain awesome sounds, especially when running MS with a map sensor. 

                                      So you believe ITB's with boost wouldn't be really worth it? I could build a regular manifold this weekend... hmmm.

                                      96.jpg96.jpg96.jpg96.jpg

                                      sk8 or die

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                                      • R
                                        R
                                        Rowleym
                                        wrote on last edited by
                                        #307

                                        And how long of runners should I build? You should help me design a plenum!

                                        96.jpg96.jpg96.jpg96.jpg

                                        sk8 or die

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                                        • ClassEC
                                          ClassEC
                                          ClassE
                                          wrote on last edited by
                                          #308

                                          I can swing buying the materials and labor for a good log mani in fall - I don't think ITB's and everything to do it "right" are my budget for this fall. :(

                                          Here's what I would like to see:

                                          -Tapered plenum that clears stock brake booster

                                          -Velocity stacks (preferrably full bell radius that protrude "into" the plenum - but brake booster clearance could be an issue)

                                          The main issue I see is the brake booster - clearing it restricts the runner lengths.

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