Quote:
Originally Posted by mygmctruck1
Well , I run 93 in my 69 Mach 1 and get 3 miles more per gallon than reg fuel , I also run mid grade in my 2018 GMC and get 2 gpm over reg. Neither are turbo charged and neither are above 9:1 comp ratio.
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Anecdotal evidence is not science. Organizations from the EPA to Consumer Reports, as well as all major car manufacturers, have debunked this myth repeatedly. Here's an example:
https://www.consumerreports.org/fuel...d-premium-gas/
The fact is that, regardless of the increase in octane (which is simply resistance to detonation), a gallon of ethanol contains less energy than a gallon of gasoline.
I don't have any beef with whatever grade of fuel makes you happy. But the question was about the benefits of non-ethanol vs ethanol-added gasoline, and the facts are well-established.