"The BIG BOV thread" (Where all bov question threads get merged) - Page 766
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This is a discussion on "The BIG BOV thread" (Where all bov question threads get merged) within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Originally Posted by Chas Looking to get a bov what one is the best to run on a 2.2 with ...

  1. #11476
    Pro Manscaper Mikie13's Avatar
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    Quote Originally Posted by Chas View Post
    Looking to get a bov what one is the best to run on a 2.2 with an 18t bloushe turbo?
    One that recircs.
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    Quote Originally Posted by Mikie13 View Post
    None.
    Fixed.

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    Blow Off Valve

    hey guys im planning to upgrade my BOV I have a 012 wrx sedan ive been reading alot and cant find a decent one. all reviews for the ones i seen look and say they can damage the car. any ideas on which BOV is good?

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    Quote Originally Posted by sorrego90 View Post
    hey guys im planning to upgrade my BOV I have a 012 wrx sedan ive been reading alot and cant find a decent one. all reviews for the ones i seen look and say they can damage the car. any ideas on which BOV is good?
    Are you just looking for more noise?
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    search some more.. you dont want air exiting to atmosphere in a metered air car (where ecu meters incoming air to determine air/fuel mixture) .. it plays hell with the ecu.

    We also have a factory B P V .. bypass valve.. If you want to upgrade that there are a few but my question again would be why? The factory valve hasn't cost you anything and will hold up to ~25psi .... Or, as Adam asked, do you just want noise?
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    Yea pretty much haha

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    Quote Originally Posted by sorrego90 View Post
    Yea pretty much haha
    I'll send you a message.
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    Quote Originally Posted by mangostick
    The factory valve hasn't cost you anything and will hold up to ~25psi .... Or, as Adam asked, do you just want noise?
    Good luck running 25 MRP through a plastic valve that comes on the '08+. Many of them leak @ StageII levels.
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  10. #11484
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    Get a short ram or cold air intake and you will be able to hear the bpv

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    ^ Yep.
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    Quote Originally Posted by sjcurtis View Post
    Get a short ram or cold air intake and you will be able to hear the bpv and tune for it
    fixored a bit.
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    After reading numerous pages in this thread, I still like the sound of BOVs My wrx still is stock however. My last turbo car wasn't a MAF, there wasn't any reason to have a recirc.

  14. #11488
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    Quote Originally Posted by EJ257 View Post
    Good luck running 25 MRP through a plastic valve that comes on the '08+. Many of them leak @ StageII levels.
    This. Plus, unlike the older aluminum BPVs, you can't rebuild the BPV with a stiffer spring.
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    I think thats what im gonna do and just buy an intake so i can hear the bov better

  16. #11490
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    On my old setup I was running a Forge Recirculating Race valve that had plenty of noise with my Perrin SRI, and it had no tuning issues. Only drawback compared to stock was that I had to routinely clean and grease it.

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