Turbo time for my S50 on a "budget"

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  • BMW_TUNER
    E30 Fanatic
    • Jul 2006
    • 1377

    #121


    Direct vent boost control.
    1989 332IS -S-Fiddy Four-Some weight removed.
    5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

    Comment

    • TheTacoMan
      R3VLimited
      • Nov 2011
      • 2308

      #122
      Looks awesome.

      Comment

      • BMW_TUNER
        E30 Fanatic
        • Jul 2006
        • 1377

        #123
        For now it's just proof of concept. Once I know it can hold boost down by itself I will be plumbing it right into the downpipe.
        1989 332IS -S-Fiddy Four-Some weight removed.
        5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

        Comment

        • BMW_TUNER
          E30 Fanatic
          • Jul 2006
          • 1377

          #124
          Might have to go to a Turbosmart hyper gate to get clearance for the hood. Fun
          1989 332IS -S-Fiddy Four-Some weight removed.
          5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

          Comment

          • BMW_TUNER
            E30 Fanatic
            • Jul 2006
            • 1377

            #125
            Test run shows a great hold capability. Holds almost a perfect 11psi.
            1989 332IS -S-Fiddy Four-Some weight removed.
            5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

            Comment

            • JOMARO
              Advanced Member
              • Mar 2006
              • 116

              #126
              its weird you have issues with your wastegate
              I have the same manifold with the same 44 Tial MVR routed to my 3" downpipe and I dont have any issues @ 13 psi !!
              where do you get your wastegate vacuum line ? I tried it form the compressor housing had some issues , then I tried it from my intake manifold and it worked flawlessly
              My G260 is also is still holding @ 400 whp
              although my Lsd 3.25 started whining:(
              Last edited by JOMARO; 02-02-2017, 10:13 PM.

              Comment

              • BMW_TUNER
                E30 Fanatic
                • Jul 2006
                • 1377

                #127
                Yeah I think the GT3582r is to spook happy to make low boost with the manifold.
                1989 332IS -S-Fiddy Four-Some weight removed.
                5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

                Comment

                • Northern
                  R3V Elite
                  • Nov 2010
                  • 5041

                  #128
                  Right off the turbine housing? I was thinking about doing that or trying to route the current tube up beside the downpipe, but haven't decided.
                  Originally posted by priapism
                  My girl don't know shit, but she bakes a mean cupcake.
                  Originally posted by shameson
                  Usually it's best not to know how much money you have into your e30

                  Comment

                  • BMW_TUNER
                    E30 Fanatic
                    • Jul 2006
                    • 1377

                    #129
                    Originally posted by Northern
                    Right off the turbine housing? I was thinking about doing that or trying to route the current tube up beside the downpipe, but haven't decided.
                    There may be room but the WG wouldn't be in the path of flow if you went under the downpipe and off the existing feed. The WG housing provides me the befit of by very much so in the flow and with any luck the Eboost 2 will be able to ramp me up and down so I can truly use it like a boost selection device.
                    1989 332IS -S-Fiddy Four-Some weight removed.
                    5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

                    Comment

                    • TheTacoMan
                      R3VLimited
                      • Nov 2011
                      • 2308

                      #130
                      I had to massage my sheet metal a bit to fit the 38mm wastegate on the m20.
                      Good to hear its holding boost now, I doubt you would get traction with 5 psi with the roads the way they are atm.

                      Comment

                      • Northern
                        R3V Elite
                        • Nov 2010
                        • 5041

                        #131
                        Originally posted by BMW_TUNER
                        There may be room but the WG wouldn't be in the path of flow if you went under the downpipe and off the existing feed.
                        It would be much more in the path of flow than it currently is on my manifold. Out the current spot, but then 90 off to the passenger side and up to clear the downpipe. Ends up in almost the same spot as yours is now.
                        Only reason I'd bother to do this instead of right on the housing is because the other car already has an external WG, and it would be nice if I could swap turbos between cars.
                        Originally posted by priapism
                        My girl don't know shit, but she bakes a mean cupcake.
                        Originally posted by shameson
                        Usually it's best not to know how much money you have into your e30

                        Comment

                        • BMW_TUNER
                          E30 Fanatic
                          • Jul 2006
                          • 1377

                          #132


                          I think I went from boost creep to boost seep. I was doing some testing and using my Eboost to try to make more than spring 12 psi and I appears that the car is not happy with that. I think the wastegate location and 10# spring can't keep it closed with the wastegate top being open to atmosphere. I swapped it for a stiffer spring and I am going to reconfigure to a two sided setup to try to have the boost hold it closed from the top.
                          1989 332IS -S-Fiddy Four-Some weight removed.
                          5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

                          Comment

                          • agile30
                            E30 Modder
                            • Oct 2008
                            • 832

                            #133
                            What manifold is that? I have never seen the wastegate set up that way in an e30 before.
                            Originally posted by Good & Tight
                            It takes real man to mount a big woman, all you haters are just scared boys.

                            Comment

                            • BMW_TUNER
                              E30 Fanatic
                              • Jul 2006
                              • 1377

                              #134
                              Originally posted by agile30
                              What manifold is that? I have never seen the wastegate set up that way in an e30 before.
                              The manifold is a good n tight with the WG capped off. It couldn't keep up with my quick spoiling gt35 so I had the hot side vented directly.
                              1989 332IS -S-Fiddy Four-Some weight removed.
                              5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

                              Comment

                              • BMW_TUNER
                                E30 Fanatic
                                • Jul 2006
                                • 1377

                                #135
                                Project will be getting back under way soon. I have a 3.25 to swap in a ZF320 that has just had the pin service a driveshaft adapter, chromemolly axel shafts a UUC DSSR and an AKG shifter to install now to mention the solid motor mounts, because the engine is currently rocking 2 inches to the right under load. Then I can get to the dyno and hopefully start to get the AFR's in the 11s at redline under WOT.
                                1989 332IS -S-Fiddy Four-Some weight removed.
                                5 lug E36 M3 Brakes Coilovers and LTW's and No ABS.

                                Comment

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