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    Blow off valve

    What blow off valves is everyone running and do you have any complaints or reccomendations?

    #2
    dunno what people run on their E30's but back when I had my FD RX-7 I ran an HKS SSQV and I loved it.
    1991 325i - "Scambles" The Daily Driven lightly modded.
    1988 Mazda RX-7 TII "Mako" The Free Dorito
    bacon by Jared Laabs, on Flickr

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      #3
      That HKS SSQV valve is cool but it gets annoying after a while I'm running a greddy rs bov and I like it but the way I have it set, it only opens on hard off throttle otherwise I get compressor surge which I don't mind.
      -Dee
      5-lugged turbo 318is Barn car
      IG: @deebelmont

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        #4
        No BOV, flutter and destroyed turbos FTW
        sigpic1990 325IS,
        2.7L bottom end, Shrick 272 Cam, and a heck of a lot of bald tires.

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          #5
          turboxs type H (og, not the RFL version)
          318iS Track Rat :nice: www.drive4corners.com
          '86 325iX 3.1 Stroker Turbo '86 S38B36 325

          No one makes this car anymore. The government won't allow them, normal people won't buy them. So it's up to us: the freaks, the weirdos, the informed. To buy them, to appreciate them, and most importantly, to drive them.

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            #6
            i got a pile of shit knock-off RFL.
            you can shim it and stuff it's very adjustable. opens up when it's supposed to.
            The thing will jam up about 30psi though.

            What i recommend is something that lets the most amount of air out the fastest so
            the tial looks the best to me.$$$

            The HKS SSQV looks like a bullshit gimmick that makes those evo sounds.
            people want certain jdm sound they pick out an hks. you want a clean fast pop off tialq is my #1

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              #7
              Originally posted by LowR3V'in View Post
              The HKS SSQV looks like a bullshit gimmick that makes those evo sounds.
              people want certain jdm sound they pick out an hks. you want a clean fast pop off tialq is my #1
              I hate that sound as well.
              You can take off the finned tip that makes that lame sound and it's just a big woosh sound after that.

              I chose it because it doesn't use a spring that you have to adjust, just like a Synapse BOV and it had a re-circ tip option that I was using for a while.

              1991 325iS turbo

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                #8
                I’ve got a greddy type s and tial not sure which one I’m gonna use


                1989 325is l 1984 euro 320i l 1970 2002 Racecar
                1991 318i 4dr slick top


                Euro spec 320i/Alpina B6 3.5 project(the never ending saga)
                Vintage race car revival (2002 content)
                Mtech 2 turbo restoration
                Brilliantrot slick top "build"

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                  #9
                  Tial Q. Run the same on my fiesta and its awesome. One of my favorite parts about the TiAL Q is you can buy every single part to it for rebuilds and repairs. I have only heard them getting sticky when they get dirty but its so easy to take apart and clean.
                  www.cp-e.com

                  1989 Zinno 325i m52 turbo coupe
                  2015 Ford Fiesta ST, Daily Driver.

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                    #10
                    I have a 1g dsm I may run on my m42 if I get the turbo going soon. Used on the nissan GTR actually.

                    was trying to hear setup from outside the car, the bov is a 1g crushed till nipple is flush with rim. Only on 11 pounds as of right now. Also it is still rec...


                    318iS Track Rat :nice: www.drive4corners.com
                    '86 325iX 3.1 Stroker Turbo '86 S38B36 325

                    No one makes this car anymore. The government won't allow them, normal people won't buy them. So it's up to us: the freaks, the weirdos, the informed. To buy them, to appreciate them, and most importantly, to drive them.

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                      #11
                      lol, I have a $20 ebay BOV. Leaks a tiny bit around the adjustment screw and valve under static pressure testing but not enough to make a difference at WOT. I would run that nice Tial Q, but my engine cost less than thing I'm not made of money

                      IG @turbovarg
                      '91 318is, M20 turbo
                      [CoTM: 4-18]
                      '94 525iT slicktop, M50B30 + S362SX-E, 600WHP DD or bust
                      - updated 1-26

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                        #12
                        Thank goodness for china knocks offs though.

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                          #13
                          I ended up going with a synapse engineering synchronic

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                            #14
                            Was running a SSQ but switched to a Tial 50mm.

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                              #15
                              I have the HKS SSQV, got it for a good deal, didn't want that high pitched sound.. it's perfect. Not sure why but it's just a relatively quiet whoosh sound, not high pitched at all or overly loud.
                              2016 F-150
                              1987 Royalblau 325es B25 turbocharged

                              Build thread here: http://www.r3vlimited.com/board/showthread.php?t=405594

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