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Raising boost? Question about tune, afr, etc?

Discussion in 'EFI Tuning Questions and Engine Management' started by Chris89Stang, May 9, 2007.

  1. Chris89Stang

    Joined:
    Feb 27, 2003
    The shop that tuned my car tuned it very conservatively @ 7psi with a 11.5:1 afr with a SCT chip. Would it be safe to raise the boost to around 10-11psi without getting it retuned? Will the computer compensate for the increased airflow and adjust accordingly to maintain the current afr?

    Thanks!
     
    Chris89Stang, May 9, 2007
    #1

  2. 1idjak

    Joined:
    May 5, 2004
    I'd say no and no on a eecIV
     
    1idjak, May 10, 2007
    #2

  3. Toma

    Joined:
    Dec 12, 2003
    Depends if the MAF is anywhere near maxed right now. Personally, I would throw a widebad on it and go for a blast, raising boost 2 psi, then 2 psi again....

    You SHOULD be ok, depending on what timing they used as well...
     
    Toma, May 10, 2007
    #3

  4. Chris89Stang

    Joined:
    Feb 27, 2003
    I have a 3.5" Pro-M meter (blow-thru).

    I just ordered a AEM wideband so I'm going to see what it does right now @ the current boost level.
     
    Chris89Stang, May 10, 2007
    #4
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