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Old 05-10-2010 | 07:16 AM
  #855  
ghoffman
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Default RE: SAP 180 (Syssa Performance)
Here is the math; Gasoline has 115,000 BTU/gal, ethanol has 75,700 BTU/gal. So, for a 90-10 mix, you have 0.9 x 115,000 + 0.1 x 75700=111070 BTU/gal. 111070 / 115000 = .966 or 3.4% less BTU/gal than 100% gasoline. The entire ethanol thing is a big political scam, but that is a different topic.
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