Programmer required?
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This is a discussion on Programmer required? within the New Member Hangout forums, part of the Community - Meet other Enthusiasts category; Hi all, please don't flame me too bad. I've been reading and googling and trying to pin down something accurate. ...

  1. #1
    Registered User dooku77's Avatar
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    Programmer required?

    Hi all, please don't flame me too bad. I've been reading and googling and trying to pin down something accurate. I was wondering if I need a programmer for an intake and an axle back? Some people say no and some say yes. I know once a blow off valve is installed then yes, but I don't have any plans on doing that until next year. My goals were a better tone and intake. I was going to try and work on suspension before stage 2. Thanks all.

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    Sammich Makin' Pwincess wrxtreme06's Avatar
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    no for the axleback & yes depending on what intake.

    Yes, you need an EM for engine mods

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    Registered User dooku77's Avatar
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    Thanks for the link wrxtreme06. Just needed some guidance.

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    Subaru Newb MainFrame's Avatar
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    Quote Originally Posted by dooku77 View Post
    I know once a blow off valve is installed then yes..


    Not sure where you got that information.. an atmospheric blow off valve can't really be tuned for.



    The intake will need a tune.

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    Registered User dooku77's Avatar
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    Quote Originally Posted by MainFrame View Post
    Not sure where you got that information.. an atmospheric blow off valve can't really be tuned for.



    The intake will need a tune.
    I read it on another source. That the engine will expect air to be there that gets vented causing the backfiring. I have much to learn. I think the guy was using a 50/50 bov

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    Subaru Newb MainFrame's Avatar
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    Quote Originally Posted by dooku77 View Post
    I read it on another source. That the engine will expect air to be there that gets vented causing the backfiring. I have much to learn. I think the guy was using a 50/50 bov

    Well that's right.. but you can't change how the air is vented in the tune, if you vent the air to atmosphere, then it's gone.. doesn't really have anything to do with the tune. The tune calculates fueling based off of the MAF readings, and you would be venting the air AFTER it has been read by the MAF and the amount of fuel for the air has already been calculated. No matter what you do with the tune (short of blowthrough or speed density), it's still going to dump the correct amount of fuel for the air that was going into the engine before it got vented.

  8. #7
    Registered User dooku77's Avatar
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    That's great info MainFrame. Thanks. I know I definitely want to do an axle back exhaust for now but I might wait then on the intake.

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