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Thread: 2" of vacuum chevy 383
          
   
   

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  1. 03-14-2007 06:35 PM #1
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    66black289
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    2" of vacuum chevy 383

     



    hi i would like to find out if my engine is having a problem its been recently rebuilt and i at idle it is very lumpy could it be because of the cam size or the timing is incorrect i would like some ideas please thanks.
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  3. 03-14-2007 06:48 PM #2
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    techinspector1
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    If you will bless us with the static compression ratio of the motor along with the cam specs, we might be able to make sense out of it for you.
    PLANET EARTH, INSANE ASYLUM FOR THE UNIVERSE.
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  4. 03-15-2007 06:31 AM #3
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    Sounds like you've plugged the vacuum gauge into ported vacuum.

    It needs to be sourced from full time manifold vacuum.
    C9
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  5. 03-15-2007 12:59 PM #4
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    Quote Originally Posted by C9x
    Sounds like you've plugged the vacuum gauge into ported vacuum.

    It needs to be sourced from full time manifold vacuum.
    Intelligent minds to the fore, thanks C9x.
    PLANET EARTH, INSANE ASYLUM FOR THE UNIVERSE.
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