Not feeling the BOOST!

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  • BMWZ318is
    Advanced Member
    • Nov 2008
    • 102

    #1

    Not feeling the BOOST!

    Hey guys i got a problem i have an m20 with a t3/t4 turbo with and e block and an i head with ARP studs and 32lb injectors i know im making boost cause my BOV is going off unfortunately my boost gauge doesn't work im running an open side exhaust so what is my problem why am i not feeling the car hit boost its like the turbo isn't even on the car please help! Thanks
    ...
  • mr ilia
    E30 Addict
    • May 2011
    • 582

    #2
    Back pressure from the muffler helps building boost pressure.
    Also, to have "boost" motor has to be under load, means car has to be driven. At idle you will not see any boost.

    Comment

    • nando
      Moderator
      • Nov 2003
      • 34827

      #3
      Originally posted by mr ilia
      Back pressure from the muffler helps building boost pressure.
      uhm.. no.
      Build thread

      Bimmerlabs

      Comment

      • BMWZ318is
        Advanced Member
        • Nov 2008
        • 102

        #4
        Yah im talking about while im driving and i have a silencer on the tip of the exhaust would that help at all
        ...

        Comment

        • nando
          Moderator
          • Nov 2003
          • 34827

          #5
          what are you using to tune it?

          you really need a boost gauge..
          Build thread

          Bimmerlabs

          Comment

          • BMWZ318is
            Advanced Member
            • Nov 2008
            • 102

            #6
            im using the war chip with the m20 turbo tune i had the boost gauge t'd off to the FPR and i just changed that so now its t'd off with the BOV
            ...

            Comment

            • lolcantturn
              R3V Elite
              • Oct 2010
              • 4588

              #7
              Originally posted by mr ilia
              back pressure from the muffler helps building boost pressure.
              what the fuck
              Originally posted by TSI
              ♫ Rust flecks are falling on my head...♫
              OEM+

              Comment

              • jaywood
                R3V Elite
                • Jul 2010
                • 4528

                #8
                So your boost gauge doesn't work? Is it hooked up properly? What gauge is it? Does it have a reading for vacuum and boost? Do you have vacuum readings?

                Did you connect the charge pipes, lol?

                Why did you change where the boost gauge gets it's signal? What was wrong with the FPR hose?

                Comment

                • mr ilia
                  E30 Addict
                  • May 2011
                  • 582

                  #9
                  Originally posted by nando
                  uhm.. no.
                  Originally posted by lolcantturn
                  what the fuck
                  Oh nooo!!!



                  I pomise, i will think drink bold cup coffee before posting comments in the morning.

                  Comment

                  • BMWZ318is
                    Advanced Member
                    • Nov 2008
                    • 102

                    #10
                    My boost gauge doesnt show boost but it will show vacuum. all the pipes are connected nice and tight. and one of my friends suggested that i change it to see if it would read differently.
                    ...

                    Comment

                    • Mr. Burns
                      No R3VLimiter
                      • Aug 2011
                      • 3516

                      #11
                      what size turbo you running?

                      if it's gigantic, you might not be building into boost untill way high in the rpm range...
                      Originally posted by flyboyx
                      i have watched my dog lick himself off a few times

                      Comment

                      • BMWZ318is
                        Advanced Member
                        • Nov 2008
                        • 102

                        #12
                        its a t3/t4 .60 a/r its an ebay turbo
                        ...

                        Comment

                        • BMWZ318is
                          Advanced Member
                          • Nov 2008
                          • 102

                          #13
                          Before my old cylinder head went bad on me i started boost at about 3000 rpm and full boost was at 4000
                          ...

                          Comment

                          • Mr. Burns
                            No R3VLimiter
                            • Aug 2011
                            • 3516

                            #14
                            weiiird.

                            something isn't hooked up right obviously.

                            charge pipe lol?

                            *edit* someone allready said charge pipe...
                            Originally posted by flyboyx
                            i have watched my dog lick himself off a few times

                            Comment

                            • BMWZ318is
                              Advanced Member
                              • Nov 2008
                              • 102

                              #15
                              lol just for the heck of it ill check them
                              ...

                              Comment

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