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Thread: 455 Olds 11:1 -> 10:1
          
   
   

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  1. #1
    techinspector1's Avatar
    techinspector1 is offline CHR Member Visit my Photo Gallery
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    May 2003
    Location
    Zephyrhills, Florida, USA
    Car Year, Make, Model: '32 Henway
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    12,423

    "some1 said not to add a thicker head gasket to decrease static compression as it increases squish. this is NOT TRUE, a thicker head gasket will decrease both static AND mechanical compression ratio."

    A thicker head gasket will decrease both static and dynamic compression ratio, but it will also increase the tendency of the motor to detonate on the same fuel because it increases the width of the squish.

    "I have been drag racing since my 1st on July 5, 1963"

    You were a "johnny-come-lately". I started in the summer of '58.

    "i use a cam with a relatively HGH numerical duration which ALSO allows the use of more compression in any situation as hgh duration cams have hgh amounts of overlap and thus bleed off cyl pressure and lower static compression."

    First of all, you don't lower static compression ratio with cam timing. You lower dynamic compression ratio with cam timing. And it isn't the overlap that makes the difference. It's the intake closing point. There is insufficient cylinder pressure at overlap to make any appreciable difference.
    PLANET EARTH, INSANE ASYLUM FOR THE UNIVERSE.

  2. #2
    Itoldyouso's Avatar
    Itoldyouso is offline CHR Member Visit my Photo Gallery
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    Jan 2006
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    fort myers
    Car Year, Make, Model: '27 ford/'39 dodge/ '23 t
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    11,033

    Glad I stocked up on popcorn.

    Don
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  3. #3
    Hombre259's Avatar
    Hombre259 is offline CHR Member Visit my Photo Gallery
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    Dec 2008
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    Out in The Country
    Car Year, Make, Model: 55 Chevy 210-57 Chevy 2 dr wagon-48 Ford
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    I had "Static" once but I found that the radio was bad.

    I'm with Don this could be pretty good. Go gettum Tech!!!

    Roland
    Protected people will never know or understand the intensity life can be lived at. To do that you must complettly and totally understand the meaning of the word "DUCK"

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