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#1
10-16-2007, 02:06 PM
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Compression test = Compression Ratio
Does anyone have a what a new engine build's compression reading (test) should be based on determined Compression Ratio assuming ring gap is optimal?
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#2
10-16-2007, 02:13 PM
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Closest thing you'll find is some dynamic compression ratio calculators will give an approximate cranking compression number,but it is'nt an exact science,more like a ballpark number.
Actual results will vary. Just too many variables to say X engine with Y hardware will give Z cranking compression numbers,,,and get the numbers right 100% of the time. Here is a DCR calculator that gives approximate cranking numbers. http://www.wallaceracing.com/dynamic-cr.php HTH. |
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#3
10-16-2007, 02:35 PM
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Thanks for the link. Yup I see now with what you describe... not easy for a straight forward calculation.
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