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Thread: 408 on the dyno friday

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  1. #1
    Join Date
    May 2008
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    Quote Originally Posted by cjriojas View Post
    What exactly do you mean by n-bar, n being an integer?

    The ability for the OS to see N bars of psi and interperate it.

    1 bar = 14.5037738 psi

    2bar = 29 psi

    1bar is good to around 10-12 psi of boost. It's good to leave a little left on the table. Most people go in increments of 10 in the boost world.

    By bar, we are referring to the MAP sensor really. There are MAP sensors that read up to 3bars available for the GM OS.

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  2. #2
    Join Date
    Mar 2003
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    San Antonio, TX
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    Just not to confuse the guy asking the question.

    2 bar is 14psi
    3 bar is 29 (28)psi when speaking turbochargers/gauges/tire pressure, etc., zero referenced to atmosphere.

    You're speaking of absolute pressure.


    Don't forget, we live in a world that has an atmosphere, or at least some of us do

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