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Subject Just figured out my compression ratio with my
     
Posted by AzHeat on March 17, 2004 at 12:35 AM
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Message head work. Head volume is 49cc + 1.1 mm head gasket + 9 cc
piston dish + 89 x 83mm bore/stroke = 7.96:1

I measured my head volume by using piece of plexiglass and siliconing it to my head and filling the combustion chamber with oil through hole in the plexiglass. I used a syringe with ccs on it to measure and fill.


Here are the numbers head = 49cc
1.1 mm x 89mm HG = 6.84
89 mm wiseco Piston = 9
total 64.84 cc

bore and stroke 89 x83 = 516.567 cc

compression ratio = 516.567 / 64.84 = 7.96


     
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