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LOWTECH
Compression Ratio?
#1
Home away from home
Joined:
2007/5/24 21:24
From Los Angeles,CA
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Posts: 259
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Well... Hopefully my math is off. Based on the measurements and the formula I came across, with these pistons and an H89 head, the compression ratio works out to 8.08:1???!! That can't be right can it!?
Bore: 76.3mm
Stroke: 77mm
CChamber Volume: 30cc
Gasket Thickness: .8mm
Piston Dish: 2cc
Above Deck: 3mm
or Above Piston Volume: 15.717cc
I used a gasket Bore size of 79mm because that's all I could find but I assume there is a more appropriate size?
Any thoughts anyone?

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jpg  A14Pistons8.JPG (28.30 KB)
8618_4b1f67ffd2c2f.jpg 445X198 px

Posted on: 2009/12/9 9:04
Transfer the post to other applications Transfer

Subject Poster Date
     Compression Ratio? LOWTECH 2009/12/9 9:04
       Re: Compression Ratio? jmac 2009/12/11 21:23
       Re: Compression Ratio? LOWTECH 2009/12/14 0:04
         Re: Compression Ratio? ddgonzal 2009/12/14 5:04
       Re: Compression Ratio? LOWTECH 2009/12/14 5:43
         Re: Compression Ratio? ddgonzal 2009/12/14 6:36
           Re: Compression Ratio? ROConnor 2009/12/14 6:45
       Re: Compression Ratio? Rezlo 2009/12/14 6:45
         Re: Compression Ratio? ddgonzal 2009/12/14 6:49
       Re: Compression Ratio? LOWTECH 2009/12/14 6:57




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