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ethenol (older cars/bikes)
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pappa_golf wrote: »umm , no ethanol does not make up "extra" octane rating , it is simply added to the fuel and bulks it out
can you link me to a serious paper that states ethanol "adds" to the octane rating , as all the papers I have read state that ethanol is actually a much lower rating
It doesn't add to the octane rating, it substitutes octane rating for the fuel it replaces...... Therefore getting rid of it reduces the octane of the fuel. Ethanol has a higher octane rating than petroleum, however because ethanol has a lower calorific value (energy), the "E" fuels are actually less economical.
Gasoline 47.0 KJ/g or 11.3kcal/g
Ethanol 29.7 KJ/g or 7.1kcal/g
But..... Now this is just going to spark an octane/power debate again, from the fools that don't actually understand what octane ratings mean. So......
http://www.exxon.com/octane-rating“I may not agree with you, but I will defend to the death your right to make an a** of yourself.”
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