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  4. M20 Turbo => M50 turbo fun.

M20 Turbo => M50 turbo fun.

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  • R
    R
    Rowleym
    wrote on last edited by
    #504

    Anyone have any opinions on radiator line size? I would love to do some hardline aluminum or something.. Anyways, I still need to purchase a water pump(electric) and mount the radiator and stuff. I gave in and bought a manifold though.. Too cold to work outside and build one haha. Car should be together real soon here.

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    sk8 or die

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    • DrLeadFootD
      DrLeadFootD
      DrLeadFoot
      wrote on last edited by
      #505

      More pics!  What manifold did you pick up?  I'd like to see that fuel system setup for sure.

      15924991875a64c599885m.jpg

           @DrLeadFoot

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      • R
        R
        Rowleym
        wrote on last edited by
        #506

        I don't know how to upload pics from my phone lol

        edit- As you can tell, I'm pretty lazy in the picture department(no profile picture even)

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        sk8 or die

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        • R
          R
          Rowleym
          wrote on last edited by
          #507

          Also, I just picked up the obx manifold. Tons of good reviews on it as its a 666 copy, and they seem pretty strong. They made over a 1000hp with it so ill be good? ill be bracing it as well. I ditched the twin wastegate thing as I didn't think I should need to bleed off much boost ;) My fuel rail is getting here next wednesday, So Ill be able to finish up most of the install. Ill upload a shit load of pictures next weekend after the manifold gets here.

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          sk8 or die

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          • DrLeadFootD
            DrLeadFootD
            DrLeadFoot
            wrote on last edited by
            #508

            What fuel rail are you using?

            15924991875a64c599885m.jpg

                 @DrLeadFoot

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            • R
              R
              Rowleym
              wrote on last edited by
              #509

              I order fuel rail stock from Threadstone or something. Ordered all my fittings from Anfittingsdirect or something. -8 male to 1/2 NPT on each end, and I haven't ordered anything for the return yet, but I'm guessing I'm going to have to weld a -6 in.

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              sk8 or die

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              • R
                R
                Rowleym
                wrote on last edited by
                #510

                Need a spare block for building my main caps and girdle! Anyone?

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                sk8 or die

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                • R
                  R
                  Rowleym
                  wrote on last edited by
                  #511

                  I'm stupid and should have bought a different manifold but it will do for now. My turbo is t3 exhaust housing split, but the manifold is t4 open(future turbo). So I built an adapter quick at work. 1/2" thick mild steel. Cold rolled. I still have to ball end it but I had to eat dinner and I'm impatient(I'll probably do it tomorrow).

                  7amaby3u.jpg

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                  sk8 or die

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                  • R
                    R
                    Rowleym
                    wrote on last edited by
                    #512

                    Fuel rail still isn't here yet.. Anyways. Does anyone know the size of exhaust manifold nuts for m50? Serious question.

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                    sk8 or die

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                    • jc43089J
                      jc43089J
                      jc43089
                      wrote on last edited by
                      #513

                      Realoem is your friend.  11721437202.  I believe they are a 7mm thread, the oem ones are copper and have worked well for me.

                      2/94 325i Sedan, Arctic Gray: UUC LTW FW, EVO 3 and DSSR, +.020 Maxsil pistons, ASC delete, Eibach shocks/springs, 16" contour reps 238k
                      3/93 325i Coupe, Schwarz 2, Sketchy stance action, ebay turbo, 300k
                      '89 325i Vert, Alpine White: 5spd swapped, sold.

                      '04 Toyota Sienna: 24V to 24V swap in progress

                      '05 Volvo V70R, 6spd.  200k
                      '85 Toyota LandCruiser: Lifted, gas hog. 205k
                      '99 Nissan Maxima: 5spd, Rusty but trusty winter beater. 252k RIP.

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                      • R
                        R
                        Rowleym
                        wrote on last edited by
                        #514

                        Yea I did that. I just wasn't sure 7mm was real.. Alright thanks! You guys will finally see a turbo mounted.

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                        sk8 or die

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                        • R
                          R
                          Rowleym
                          wrote on last edited by
                          #515

                          Could not find anywhere that had that size.....

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                          sk8 or die

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                          • jc43089J
                            jc43089J
                            jc43089
                            wrote on last edited by
                            #516

                            Yes definitely an odd size.  BMW just has to throw some curve balls in there.  The strangest thread pitch combo I have seen is on my Land Cruiser the seat belt bolts are a 7/16-20.  The reason I found for that is so that they do not get mixed up at the factory and use the wrong bolts because every other piece of hardware on the truck is metric.

                            2/94 325i Sedan, Arctic Gray: UUC LTW FW, EVO 3 and DSSR, +.020 Maxsil pistons, ASC delete, Eibach shocks/springs, 16" contour reps 238k
                            3/93 325i Coupe, Schwarz 2, Sketchy stance action, ebay turbo, 300k
                            '89 325i Vert, Alpine White: 5spd swapped, sold.

                            '04 Toyota Sienna: 24V to 24V swap in progress

                            '05 Volvo V70R, 6spd.  200k
                            '85 Toyota LandCruiser: Lifted, gas hog. 205k
                            '99 Nissan Maxima: 5spd, Rusty but trusty winter beater. 252k RIP.

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                            0
                            • R
                              R
                              Rowleym
                              wrote on last edited by
                              #517

                              Anyone know where I could find the nuts local? I wanna hurry this up. Haha. Hey I guess they gotta do what they gotta do.

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                              sk8 or die

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                              • jc43089J
                                jc43089J
                                jc43089
                                wrote on last edited by
                                #518

                                Probably can't get the correct copper ones locally.  Pelican is always really fast, and free shipping if you buy $75

                                2/94 325i Sedan, Arctic Gray: UUC LTW FW, EVO 3 and DSSR, +.020 Maxsil pistons, ASC delete, Eibach shocks/springs, 16" contour reps 238k
                                3/93 325i Coupe, Schwarz 2, Sketchy stance action, ebay turbo, 300k
                                '89 325i Vert, Alpine White: 5spd swapped, sold.

                                '04 Toyota Sienna: 24V to 24V swap in progress

                                '05 Volvo V70R, 6spd.  200k
                                '85 Toyota LandCruiser: Lifted, gas hog. 205k
                                '99 Nissan Maxima: 5spd, Rusty but trusty winter beater. 252k RIP.

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                                • R
                                  R
                                  Rowleym
                                  wrote on last edited by
                                  #519

                                  Yea I just wanted something so I could mount up my turbo and finish the fucker. I can really only work outside on the car on the weekends. By the time I heat up the garage enough to do anything on the week nights, it's bed time(8pm- get done with work at 5.) so I just wanted to find something local so I can get some stuff done. But anyways, I ordered from the carr

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                                  sk8 or die

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                                  • DrLeadFootD
                                    DrLeadFootD
                                    DrLeadFoot
                                    wrote on last edited by
                                    #520

                                    Rowleym said:

                                    I'm stupid and should have bought a different manifold but it will do for now. My turbo is t3 exhaust housing split, but the manifold is t4 open(future turbo). So I built an adapter quick at work. 1/2" thick mild steel. Cold rolled. I still have to ball end it but I had to eat dinner and I'm impatient(I'll probably do it tomorrow). 7amaby3u.jpg

                                    More Pics!

                                    15924991875a64c599885m.jpg

                                         @DrLeadFoot

                                    1 Reply Last reply
                                    0
                                    • R
                                      R
                                      Rowleym
                                      wrote on last edited by
                                      #521

                                      DrLeadFoot said:

                                      I'm stupid and should have bought a different manifold but it will do for now. My turbo is t3 exhaust housing split, but the manifold is t4 open(future turbo). So I built an adapter quick at work. 1/2" thick mild steel. Cold rolled. I still have to ball end it but I had to eat dinner and I'm impatient(I'll probably do it tomorrow).

                                      More Pics!

                                      Tapatalk finally works on my phone now so you guys will have a bunch of pics here shortly.

                                      96.jpg96.jpg96.jpg96.jpg

                                      sk8 or die

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                                      • R
                                        R
                                        Rowleym
                                        wrote on last edited by
                                        #522

                                        So my turbo didn't really fit with that manifold... So I cut some of it off. jysama8e.jpgdata9usy.jpge6u5uty7.jpg

                                        Fuck you and your 5 bolt flange.

                                        Sorry.

                                        Anyways, I'm welding a v band flange into it. Not sure if 4" or 3.5". I want the smallest one but the smallest I think I could fit would be 3.3" anyways I'll have to look into how they measure v bands.

                                        Got the turbo mounted, but my brother is in the garage and it's a little bit too cold out to work on it. So.. This weekend!

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                                        sk8 or die

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                                        • R
                                          R
                                          Rowleym
                                          wrote on last edited by
                                          #523

                                          So I acquired a piece of 6061 .500 thick 6" diameter aluminum to use as a surge tank. How much volume do I need?

                                          I am thinking of mounting the dual 044's inside the tank. I think it would be much cleaner and I've seen it done. FUEL RAIL IS STILL NOT HERE DAMNIT. ytura3uj.jpg%20u5aje6er.jpg

                                          These bad boys are big. y9ejeryv.jpg

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                                          sk8 or die

                                          1 Reply Last reply
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