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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
    #309

    http://www.massivebrakes.com/brake-systems.php?p=brake-booster-delete

    museum sig 2earl.jpg

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    0
    • R
      R
      Rowleym
      wrote on last edited by
      #310

      Well we are starting on our intake manifold this weekend, and we are going to build two! At least for now. Now to find/build some velocity stacks.

      Would velocity stacks even matter with forced induction?

      96.jpg96.jpg96.jpg96.jpg

      sk8 or die

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      • R
        R
        Rowleym
        wrote on last edited by
        #311

        Earl said:

        http://www.massivebrakes.com/brake-systems.php?p=brake-booster-delete

        I should do this..

        96.jpg96.jpg96.jpg96.jpg

        sk8 or die

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        • B
          B
          B C
          wrote on last edited by
          #312

          Velocity stacks are always beneficial. 

          Instead of removing the brake booster, I would probably opt for runners that are angled forward so that the runners and plenum clear it just fine.

          Im thinking buy some aluminum 130 degree mandrel bends and do a bundle of snakes like the M5, though all the snakes would be pointed towards the back of the drivers side headlight instead of all over the place.  This would not only help with the clearance issue, but it would also allow you longer runners to keep the mid-range happy

          m5intakestackscopy1.jpg

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          • ClassEC
            ClassEC
            ClassE
            wrote on last edited by
            #313

            Earl said:

            http://www.massivebrakes.com/brake-systems.php?p=brake-booster-delete

            I'll have to read up on this more tonight - but that's a nice solution!

            1 Reply Last reply
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            • B
              B
              B C
              wrote on last edited by
              #314

              Decreasing the braking power is always the first step to going faster

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              • R
                R
                Rowleym
                wrote on last edited by
                #315

                130 degree bends to cut in half? What runner length would you like? I cut a manifold up, and I will be taking measurements tonight.

                96.jpg96.jpg96.jpg96.jpg

                sk8 or die

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                • ClassEC
                  ClassEC
                  ClassE
                  wrote on last edited by
                  #316

                  He means a runner angle like this:

                  B85EC324-8042-4EAE-940A-FAC078BE8052.jpg

                  Which would work best for NA if you can clear the booster (or delete it). Longer runners will give more torque in lower RPMs.

                  I love this idea - I'm not sure it's a "whack it up and weld" kinda job - but I don't know your fab skills either. Regardless - if I stay M20 this is most likely course of action in fall!

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                  0
                  • B
                    B
                    B C
                    wrote on last edited by
                    #317

                    Ah yes. Looks like its been done before. Nice work finding the pic

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                    • DrLeadFootD
                      DrLeadFootD
                      DrLeadFoot
                      wrote on last edited by
                      #318

                      If you keep the M20 carbs would be a unique look. http://www.performanceforums.com/forums/showthread.php?67286940-NA-M20-with-TK-goodness

                      If you're going for big power go 24v.

                      Sent from my SCH-I535 using Tapatalk

                      15924991875a64c599885m.jpg

                           @DrLeadFoot

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                      • B
                        B
                        B C
                        wrote on last edited by
                        #319

                        DrLeadFoot said:

                        If you keep the M20 carbs would be a unique look. http://www.performanceforums.com/forums/showthread.php?67286940-NA-M20-with-TK-goodness

                        If you're going for big power go 24v.

                        Sent from my SCH-I535 using Tapatalk

                        Mention of ditching EFI for carbs  and ditching M20 for 24v  

                        all in one post.

                        I cant handle this.

                        1 Reply Last reply
                        4
                        • DrLeadFootD
                          DrLeadFootD
                          DrLeadFoot
                          wrote on last edited by
                          #320

                          Snap said:

                          If you keep the M20 carbs would be a unique look. http://www.performanceforums.com/forums/showthread.php?67286940-NA-M20-with-TK-goodness

                          If you're going for big power go 24v.

                          Sent from my SCH-I535 using Tapatalk

                          Mention of ditching EFI for carbs  and ditching M20 for 24v  

                          all in one post.

                          I cant handle this.

                          Haha. That post has Snap written all over it!

                          Sent from my SCH-I535 using Tapatalk

                          15924991875a64c599885m.jpg

                               @DrLeadFoot

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                          0
                          • R
                            R
                            Rowleym
                            wrote on last edited by
                            #321

                            ClassE said:

                            He means a runner angle like this:

                            B85EC324-8042-4EAE-940A-FAC078BE8052.jpg

                            Which would work best for NA if you can clear the booster (or delete it). Longer runners will give more torque in lower RPMs.

                            I love this idea - I'm not sure it's a "whack it up and weld" kinda job - but I don't know your fab skills either. Regardless - if I stay M20 this is most likely course of action in fall!

                            If Anyone has a CAD drawing of an m20 manifold flange, I could CNC a flange, and not use the stock stuff at all, but then I would also have to build injector bungs, and then it starts getting costy(for you guys). 

                            I was going to use the stock manifold, and cut the flange, to try and keep the cost low for the people. And its damn easy. 

                            But I do have material for 3 Intake manifolds for supercharged m50's currently

                            I am adapting a gen 3 eaton m90 to 24v's, but I am also thinking about doing it to an e30 :) 

                            But I do not have velocity stacks yet(wasn't going to use them with the supercharger) and I don't have those little bends. 

                            But why did you say 130* snap?

                            96.jpg96.jpg96.jpg96.jpg

                            sk8 or die

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                            • B
                              B
                              B C
                              wrote on last edited by
                              #322

                              Rowleym said:

                              But why did you say 130* snap? 

                              I was laying on my side while I posted that, now that I am right-side up, it would be more of a 60-70 degree bend.

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                              • ClassEC
                                ClassEC
                                ClassE
                                wrote on last edited by
                                #323

                                Started replacing front tie rods last night - didn't know BMW used a lock plate to hold the inner tie rods.... Which apparently needs to be replaced since you ruin them removing the originals.

                                So dealership will have some for me tomorrow - car sits until then. :( So no alignment before Saturday. No happy about it - but not super concerned either. Rear toe looks good, car tracks straight, camber is alittle off side-to-side but not enough to worry me for 200 miles.

                                After the GTG.... Time for some painting and coating in the bay before Scooters.

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                                • B
                                  B
                                  B C
                                  wrote on last edited by
                                  #324

                                  E36/Z3 does not use lock plates. 

                                  I just used blue loctite on my Z3 rack and have had zero problems with it.

                                  Ask anyone about what a sane and gentle driver I am and you will take comfort in knowing its kosher :D

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                                  • EarlE
                                    EarlE
                                    Earl
                                    wrote on last edited by
                                    #325

                                    Snap said:

                                    E36/Z3 does not use lock plates. 

                                    I just used blue loctite on my Z3 rack and have had zero problems with it.

                                    Ask anyone about what a sane and gentle driver I am and you will take comfort in knowing its kosher :D

                                    My compact uses them 

                                    http://www.realoem.com/bmw/showparts.do?model=CG53&mospid=47505&btnr=32_0630&hg=32&fg=25

                                    It also looks like other e36's use them

                                    http://www.realoem.com/bmw/showparts.do?model=BG13&mospid=47485&btnr=32_0630&hg=32&fg=25

                                    museum sig 2earl.jpg

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                                    0
                                    • B
                                      B
                                      B C
                                      wrote on last edited by
                                      #326

                                      None on the Z3 though

                                      [http://realoem.com/bmw/showparts.do?model=CJ33&mospid=48094&btnr=32\_0630&hg=32&fg=25

                                      I](http://realoem.com/bmw/showparts.do?model=CJ33&mospid=48094&btnr=32_0630&hg=32&fg=25) am using E30 tie rods with the Z3 rack, there is nothing special about the Z3 rack that would aid in tie-rod retention. 

                                      The primary reason for the lock plate from my own observation is to keep the inner tie rod from loosening during an alignment. 

                                      But take what I say as typical forum hearsay, I was not present in the ZF steering rack design meetings to be able to know the exact reasons why. 

                                      Im not from here.

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                                      0
                                      • EarlE
                                        EarlE
                                        Earl
                                        wrote on last edited by
                                        #327

                                        lol I wasn't ripping on you Snap=) I trust your word over most things

                                        museum sig 2earl.jpg

                                        1 Reply Last reply
                                        0
                                        • B
                                          B
                                          B C
                                          wrote on last edited by
                                          #328

                                          Oh I know, no rustlin over here. 

                                          I want to make sure I am not feeding bad information so I do my best to backup what I say when there may be question

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