Turbo spool/ no sound??

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  • Bme3092
    Member
    • Nov 2015
    • 41

    #1

    Turbo spool/ no sound??

    So at the risk of coming off sounding dumb I have a question for the community....can you hear your turbo m20 spool? My m20 has a build head with turbo cam.....OBX adapter with full 3 inch exhaust. Turbo is a s256 and a 44mm waste gate. The car makes 14psi and is making the boost.....RUNS GREAT......but except I cannot hear turbo sounds??
    Is in the adapter masking sounds or something else???
    Any input is appreciated.
  • nachbarx
    Member
    • Mar 2016
    • 68

    #2
    Originally posted by Bme3092
    So at the risk of coming off sounding dumb I have a question for the community....can you hear your turbo m20 spool? My m20 has a build head with turbo cam.....OBX adapter with full 3 inch exhaust. Turbo is a s256 and a 44mm waste gate. The car makes 14psi and is making the boost.....RUNS GREAT......but except I cannot hear turbo sounds??

    Is in the adapter masking sounds or something else???

    Any input is appreciated.


    I can only speak of my experience with my new M3. After I changed the air intake, I could hear the turbo spool real good.

    Comment

    • Bme3092
      Member
      • Nov 2015
      • 41

      #3
      All I have there is a filter. Right off the turbo....my big single 335i with a filter I can hear much spools :)

      Comment

      • nomansland92
        E30 Mastermind
        • Aug 2010
        • 1657

        #4
        My wrx with a stock intake spools louder then my m20 with the bw s256

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        IX being restored here

        Ix turbo build here

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        • cleanasse30
          E30 Addict
          • Jan 2014
          • 436

          #5
          That's strange, I'm also running an S256 and my spool is fairly audible. Is your exhaust loud and drowning out the spooling sound?
          2.7i Stroker Turbo Build Thread

          90 325i | 95 Miata

          Comment

          • ak-
            R3V OG
            • May 2009
            • 12422

            #6
            Take off the filter, drive with the hood popped - should be audible but I wouldn't worry much.

            1991 325iS turbo

            Comment

            • nomansland92
              E30 Mastermind
              • Aug 2010
              • 1657

              #7
              I enjoy the sound of the twin gates open more the spool up anyway so it don't bother me [emoji1]

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              Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

              IX being restored here

              Ix turbo build here

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              • TheTacoMan
                R3VLimited
                • Nov 2011
                • 2308

                #8
                Originally posted by ak-
                Take off the filter, drive with the hood popped - should be audible but I wouldn't worry much.
                Just drive with no hood!

                Comment

                • Bme3092
                  Member
                  • Nov 2015
                  • 41

                  #9
                  My exhaust is pretty tame....was more curious than anything. I mean who doesn't want turbo noise lol

                  Comment

                  • Bme3092
                    Member
                    • Nov 2015
                    • 41

                    #10
                    Taco man mine sounds nothing like that!
                    Car almost sounds stock. That sounds amazing

                    Comment

                    • varg
                      No R3VLimiter
                      • May 2014
                      • 3278

                      #11
                      You're not going to hear much with that hood sound deadening, seal, and headlight cover. From what I remember your exhaust is pretty quiet so you're not drowning the intake noise out.

                      IG @turbovarg
                      '91 318is, M20 turbo
                      [CoTM: 4-18]
                      '94 525iT slicktop, M50B30 + S362SX-E, 600WHP DD or bust
                      '93 RX-7 FD3S

                      Comment

                      • Bme3092
                        Member
                        • Nov 2015
                        • 41

                        #12
                        Varg the exhaust is pretty quiet.

                        Comment

                        • estoguy
                          E30 Enthusiast
                          • May 2013
                          • 1087

                          #13
                          Damn, TacoMan... that sounds sweet!
                          Estoguy
                          1986 BMW 325, Alpenweiss ~ "Elsa"

                          Need a photographer, come visit my site: http://estoguy.wix.com/unique-perspectives

                          Comment

                          • Northern
                            R3V Elite
                            • Nov 2010
                            • 5022

                            #14
                            I can definitely hear my S257 over my loud exhaust and solid bushing noises. The HX35 was significantly more audible, but still I don't think you should have any problem hearing any turbo.
                            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

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                            • nomansland92
                              E30 Mastermind
                              • Aug 2010
                              • 1657

                              #15
                              Originally posted by Northern
                              I can definitely hear my S257 over my loud exhaust and solid bushing noises. The HX35 was significantly more audible, but still I don't think you should have any problem hearing any turbo.
                              How are to liking the s257? I was thinking about getting that one over the s256 but didn't for some reason.

                              Sent from my SAMSUNG-SM-G891A using Tapatalk
                              Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

                              IX being restored here

                              Ix turbo build here

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