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  #16  
Old 07-13-2006, 12:52 AM
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I'm saying race engines with tight tolerances lose less compression than street engines - especially older ones built with looser tolerances and inferior manufacturing techniques.

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  #17  
Old 08-09-2006, 12:50 PM
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Compression readings are not all that important as long as they are even and yours seem to be. Professional mechanics never take compression readings unless they suspect a problem. You may actually have higher compression than you think, but if you are not using a professional gauge, your readings may not be accurate. You should probably take readings with ten gauges and average the readings. Just kidding. If that car is a 72 like you say, it isn't high compression anyway, because that was the first year for low compression engines. That car was designed to run on regular. The 71 was fitted with 35/40 Zeniths and your car was fitted with 32/40 Zeniths.

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