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Thread: Turbosmart BPV issues - Any comments/suggestions?

  1. Default Turbosmart BPV issues - Any comments/suggestions?

    Hey guys

    I've had the Turbosmart Dual Port BPV fitted for about 18 months. I have it half recirc and half vent to air. The car was in for service last week and had the air filter changed.

    Since I picked the car up, I've noticed something strange that I would like some comments on - The BPV seems to vent twice in quick succession when you change gears or lift off at mid or full throttle. If I remember rightly, it only vented once before.

    I think the workshop have tightened the BPV spring tension when it was in there?
    ---------------------------------------------------
    Just to ad to that so you know what I mean, rather than making one big Pssssht sound at each gear change, it is going psssht psssht.

    Does anyone know if this means it is overtensioned?

  2. #2
    Join Date
    Dec 2008
    Location
    Sydney
    Age
    49
    Posts
    1,834

    Default

    Sounds like just a little bit of valve flutter to me, could be the spring tension, maybe just double check that the vac hose isnt kinked or deformed in a way that may be causing blockage.

  3. Default

    Quote Originally Posted by MattMPS3 View Post
    Sounds like just a little bit of valve flutter to me, could be the spring tension, maybe just double check that the vac hose isnt kinked or deformed in a way that may be causing blockage.
    Will do. Thanks for the input.

  4. #4
    Join Date
    Nov 2008
    Location
    Brisbane
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    49
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    494

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    out of interest - do you find any difference with the hybrid bov apart from the noise?

    I dashhawked mine and found zero difference bewteen the stocker and the aftermarket.

    I agree they look nice under the hood....

  5. #5
    Join Date
    Nov 2008
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    North side, Vic
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    37
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    6,745

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    Mine felt like it built boost a little earlier, though ive got nothing to prove it.

  6. Default

    Yeah, no real difference. I think the Pssht makes it feel faster!

  7. #7
    Join Date
    Dec 2008
    Location
    S.E melbourne
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    46
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    330

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    I think it goes worse with the turbosmart bpv.. mostly just the flat feeling i used to get every gear change, but the unburnt fuel going off in the exhaust makes for an awesome sounding change.

  8. #8

    Default

    I've heard that factory BOV's leak air, and with the aftermarket ones you do feel the improvement. But you are saying that there is no difference at all?

  9. #9

    Default

    If you're burning fuel in the pipes and backfiring, you might need to tighten up the the setting a bit. That raw fuel is washing lube off your cylinder walls too. Check all the other posts / threads on this issue.

  10. #10
    Join Date
    Jan 2010
    Location
    QLD - Brizzy Southside FTW!
    Posts
    1,031

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    I've got a HKS SSQV 3 fitted on my Gen 2 and i've noticed that boost seems to come on earlier with SRI and TIP, also i've noticed that before i had all the parts on during 2nd gear the boost starts to die down after going past like 4.5k, now it holds full boost right up till 6k. So i reckon its probably holding boost alittle betta than the stocka..

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