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Thread: whats hg stand for

  1. #1
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    Exclamation whats hg stand for

    whats h/g stand for on the boost gage

  2. #2
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    mercury

    its reading inches of mercury representing how much vaccum you have should be 18 at idle and as u accelerate it stops making vaccum and goes into boost

  3. #3
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    Quote Originally Posted by 92sclikenew View Post
    whats h/g stand for on the boost gage
    Its the indicated range where your head gaskets will be safe........

    Sorry, couldn't resist

  4. #4
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    very true very true

  5. #5
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    im not dumb lol

  6. #6
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    Quote Originally Posted by 92sclikenew View Post
    im not dumb lol
    Wasn't implying anything like that dude... just saw a chance for a little humour

  7. #7
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    HG is the symbol for mercury. Vacuum is measured in inches of mercury. Hence IN/HG means inches of mercury.

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