Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - rpm vs compression
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Old 10-07-2012, 02:45 PM
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also have to consider combustion chamber shape,camshaft profile,fuel metering system,ignition system controller,,, look up the new mazda economy engine that burns gasoline and has 14:1 compression.lots of high tech euro engines have 12:1 cr.,,,cooling system makes a difference,metal used in cylinder head,like aluminum or cast iron
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