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Thread: 2" of vacuum chevy 383
          
   
   

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  1. #1
    66black289's Avatar
    66black289 is offline CHR Member Visit my Photo Gallery
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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.

  2. #2
    techinspector1's Avatar
    techinspector1 is offline CHR Member Visit my Photo Gallery
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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.

  3. #3
    C9x's Avatar
    C9x
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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

  4. #4
    techinspector1's Avatar
    techinspector1 is offline CHR Member Visit my Photo Gallery
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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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