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blow off valve

Scheduled Pinned Locked Moved Car Tech
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  • JimJ Offline
    JimJ Offline
    Jim
    wrote on last edited by
    #6

    spoolude wrote:
    i dont know if i would call them a performance mod there more just to save your turbo a little longer

    There is a large difference between BOV's... beside the sound; and yes they do affect performance.

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    • ? This user is from outside of this forum
      ? This user is from outside of this forum
      Guest
      wrote on last edited by
      #7

      Jim wrote:
      The best sounding BOV or the loudest? Turbo XS RFL... but its not made for performance but if you want to pickup those 15 year old girls...

      the best sounding

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      • JimJ Offline
        JimJ Offline
        Jim
        wrote on last edited by
        #8

        Alot of BOV's sound different... Greddy Type - S can be adjusted to "stutter", Turbo XS RFL have a piercing PSSSHHHT sound. I dunno, I have clips on my other computer, I'll post them tomorrow.

        Its bad when you go around making BOV noises though.... vrrrooooom psssht. I do.

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        • ? This user is from outside of this forum
          ? This user is from outside of this forum
          Guest
          wrote on last edited by
          #9

          Jim wrote:
          Alot of BOV's sound different... Greddy Type - S can be adjusted to "stutter", Turbo XS RFL have a piercing PSSSHHHT sound. I dunno, I have clips on my other computer, I'll post them tomorrow.

          Its bad when you go around making BOV noises though.... vrrrooooom psssht. I do.

          ok cool i just want to get somthing that will surpries people when i drive bye

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          • STiSchuckyS Offline
            STiSchuckyS Offline
            STiSchucky
            wrote on last edited by
            #10

            vroooom psht jim? your good at sound effects

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            • ? This user is from outside of this forum
              ? This user is from outside of this forum
              Guest
              wrote on last edited by
              #11

              Jim wrote:
              There is a large difference between BOV's... beside the sound; and yes they do affect performance.

              like do they add hp or what?

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              • JimJ Offline
                JimJ Offline
                Jim
                wrote on last edited by
                #12

                Any vented BOV will be loud... and surprising to people.

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                • JimJ Offline
                  JimJ Offline
                  Jim
                  wrote on last edited by
                  #13

                  spoolude wrote:
                  like do they add hp or what?

                  They can leak, and when they leak you loose HP

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                  • JimJ Offline
                    JimJ Offline
                    Jim
                    wrote on last edited by
                    #14

                    RX8ownage wrote:
                    vroooom psht jim? your good at sound effects

                    Thanks. Whatever you know you make car noises too...

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                    • STiSchuckyS Offline
                      STiSchuckyS Offline
                      STiSchucky
                      wrote on last edited by
                      #15

                      i try making 97 GS-T spyda noises, but their to far behind so i can't hear them.

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                      • JimJ Offline
                        JimJ Offline
                        Jim
                        wrote on last edited by
                        #16

                        Wait, The STi is so quiet you can never hear it... so that sound you think is your car... must be mine ahead of yours...

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                        • STiSchuckyS Offline
                          STiSchuckyS Offline
                          STiSchucky
                          wrote on last edited by
                          #17

                          it is? when

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                          • treimcheT Offline
                            treimcheT Offline
                            treimche
                            wrote on last edited by
                            #18

                            PLEASE don't EVER buy a TurboXS BOV. They are total garbage. Just stick with a Greddy, HKS, Tial or Blitz. If the sounds really matter that much, do a search on some of the DSM forums, someone had a page with a bunch of different sound files and vids of different BOV's.

                            Troy
                            2009 Yamaha R1
                            2002 WRX
                            2001 Toyota Tundra
                            2001 Yamaha R6
                            1988 Yamaha YSR 50
                            2003 XR50

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                            • JimJ Offline
                              JimJ Offline
                              Jim
                              wrote on last edited by
                              #19

                              Yup. They are notorious for being shitty. Recommend: Greddy, HKS, Tial

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                              • O Offline
                                O Offline
                                out there
                                wrote on last edited by
                                #20

                                a bov (various names, diverter valve being one) is designed to relieve pressure between shifts or when the throttle is closed abruptly, thus saving excess wear on the throttle body and the turbo.
                                they can affect preformance (positively or negatively) by either venting or recirculating. venting is releasing the pressurized air to the atmosphere, and recirculating pushes the air back in (generally) behind the mas (mass air sensor) to help keep the turbo from losing momentum between shifts.
                                if you're really hung up on the sound of your bov, don't bother boosting your engine, you more than likely won't be able to hear much more than a pah (yes, pah with a very quiet "p") inside the car. in addition, if you just want to suprise people with a weird sound your car makes... pull it out of gear and then slam it back into gear without the touching the clutch or the gas pedal.

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                                  ? This user is from outside of this forum
                                  Guest
                                  wrote on last edited by
                                  #21

                                  the txs bov is good IF you keep it clean and free from gunk.

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                                  0
                                  • S Offline
                                    S Offline
                                    SleeperMx6
                                    wrote on last edited by
                                    #22

                                    treimche wrote:
                                    PLEASE don't EVER buy a TurboXS BOV. They are total garbage. Just stick with a Greddy, HKS, Tial or Blitz. If the sounds really matter that much, do a search on some of the DSM forums, someone had a page with a bunch of different sound files and vids of different BOV's.
                                    My buddiy had a Turbo XS BOV and he used it as a paperweight. POS.

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                                    • W Offline
                                      W Offline
                                      Wizard
                                      wrote on last edited by
                                      #23

                                      I had a Turbo XS Type H on my car for about 15 minutes. Felt like ass and too freakin loud. Switched back to my 1g BOV and went much faster and sounded ok.

                                      I have yet to buy anything other than a Tial or Greddy Type-S. The best sounding BOV for the least bucks is the good ol' 1g BOV. Crush it and do the complete mod from here:

                                      http://www.thedodgegarage.com/turbo_bov_mod.html

                                      Very nice, loud with hard IC and intake pipes. With T3/T4 turbos it sounds absolutley awsome. Only down-side to a 1g BOV is it's not for cars making over 500-550hp. The discharge is too small to prevent throttle body damage, compressor surge, etc.

                                      Wiz

                                      1992 GVR4 598/1000 Nile Black
                                      1992 Tsi AWD
                                      1982 Datsun KC 4x4
                                      1990 Laser 2.0 AT NT
                                      1994 ES 2.0L NT 5-spd

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                                      • 24valvenotak2 Offline
                                        24valvenotak2 Offline
                                        24valvenotak
                                        wrote on last edited by
                                        #24

                                        If you woulda raced me you could of heard a Blitz SS ; )

                                        Getcher green hat, we are goin fishin.

                                        > 63vette;288530 wrote:
                                        > I dont know shit about building cars.

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                                        • ? This user is from outside of this forum
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                                          Guest
                                          wrote on last edited by
                                          #25

                                          92BlackTT wrote:
                                          If you woulda raced me you could of heard a Blitz SS ; )

                                          hahahah your funny i will race u for shits and giggles NO money im to poor 🙂

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