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Can someone explain compression ratios?

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Old 01-15-2004, 07:39 AM
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Can someone explain compression ratios?
Can someone explain compression ratios? 9.3:1 vs. 10:1?
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Old 01-15-2004, 08:08 AM
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ede
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simply it's the amount the A/F mixtured is compressed as the rod and piston move upward, the higher the number the more it's compressed
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Old 01-15-2004, 04:37 PM
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It's the difference in volume expressed as a ratio
when the piston is at BDC and TDC.
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Old 01-15-2004, 05:05 PM
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http://auto.howstuffworks.com/engine1.htm
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