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Thread: How much vacuum at idle
          
   
   

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  1. 11-15-2005 10:46 PM #4
    TOW'D
    TOW'D is offline CHR Member/Contributor
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    Join Date
    Feb 2004
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    Bella Coola
    Car Year, Make, Model: 1948 Thames E83W- and many others
    Posts
    809

    You should get between 17 and 22 inches of mercury at 1000 rpm at sea level.

    The vacuum gauge we have on our van is from a old steam plant built in the '30 easy to read
    cruising at 10 in Hg
    hank
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