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Old 12-16-2010 | 02:23 PM
  #1968  
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hambone
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Originally Posted by Jaz240
I have a question, When you see engine specs and they claim 2.2,2.4,2.7 Horse power what are they referring to? Its obviously not realistic claims considering what the dyno says..I saw an ad for some new engine that had a HP rating of 2.8..how do they get away with this?
That's theoretic hp. Displacement of engine, timing numbers, and is referring to if it were 100% volumetric efficient and no loss in friction. Just a computer number.
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