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Um,... my cylinders have 200psi each,... what compression #'s is that??? example 10:5:1 or something to that nature.... anyone know? lets not post links :)
 

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I am not positive, but I don't think your compression test numbers are related to your compression ratio.
 
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i saw in some post they were comparing the two so i figured they were related,. he had like 275psi and 10:1 or something? i dono

Thanks for posting you may be right :)
 

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Compression numbers are greatly affected by valve overlap. There's Static compression ratio (the advertised number), and dynamic compression ratio (the ratio that actually happens when the engine runs).
 
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