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Thread: Boost Table Question

  1. #1
    Advanced Tuner
    Join Date
    May 2006
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    Upstate NY
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    Boost Table Question

    Do the boost tables in the tunes include include ambient barometric pressure?

    IE: 100kpa would actually be 0kpa boost.

    I've noticed stock tunes get up to 270kpa which is roughly 39PSI.

    Any help would be appreciated.

    Tim
    GM World Class Technician
    ASE Master Auto Technician
    L1 Certification
    2001 Silverado 6.0L Swap

  2. #2
    Tuner in Training
    Join Date
    Nov 2007
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    11
    The answer to your question is 'Yes'.


    Nick

  3. #3
    Quote Originally Posted by bullygoat View Post
    Do the boost tables in the tunes include include ambient barometric pressure?

    IE: 100kpa would actually be 0kpa boost.

    I've noticed stock tunes get up to 270kpa which is roughly 39PSI.

    Any help would be appreciated.

    Tim

    They are absolute, so yes, they include ambient. 270 kPa would be approx 24 psi on a boost gauge.

  4. #4
    Advanced Tuner
    Join Date
    May 2006
    Location
    Upstate NY
    Posts
    207
    Thanks guys. That's what I thought.

    Tim
    GM World Class Technician
    ASE Master Auto Technician
    L1 Certification
    2001 Silverado 6.0L Swap