High Boost 18.3 +
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This is a discussion on High Boost 18.3 + within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hello, Im running a vf34 with all the necessary mods. I lately pluged in the access port to read my ...

  1. #1
    Registered User zeus32's Avatar
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    Mar 2010
    Albuquerque NM

    High Boost 18.3 +

    Hello, Im running a vf34 with all the necessary mods. I lately pluged in the access port to read my live boost and it maxed out at 18.3 so im guessing its a little higher than that. My gauge shows it hitting 24lbs but its not that accurate. What would cause this high boost and how can i fix it.

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  3. #2
    Registered User Dos-fivewagon's Avatar
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    Dec 2009
    Need way more info to help with problem. What mods exactly? What stg. map and which one, pro tune? etc.
    One industrial accident away from financial freedom!

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    Moderator Donkey's Avatar
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    Apr 2005
    Da boonies,Va
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  6. #4
    Registered User mudferret's Avatar
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    Aug 2009
    Donkey's FAQ is a great read.

    That said, if you've followed Cobb's map requirements to the letter, read the map notes. Assuming you're a bug eye, and reading the notes for the VF34 91oct map your target is 16.5 +/- 0.7 psi.

    I'm making too many assumptions though.

    Edit: I read VF39...fixed reference above.
    Last edited by mudferret; 03-19-2010 at 07:52 AM.
    MMVI WRX - VF43 Airboy Tuned @ 3500'

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