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Old 05-16-2018, 10:53 AM   #11
JFP in PA
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Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,261
Quote:
Originally Posted by Gilles View Post
I believe that the Ethanol (and Methanol) affects the metal fuel lines as it promotes rust, but may be wrong..
Gas containing ethanol has multiple downsides:

1. A given volume of ethanol is approximately one third lower in BTU output than the same volume of pure gas, so any level of ethanol is going to have lower power potential.

2. Ethanol picks up water and carries it in gas. As the direct result, any gas containing ethanol will cause mild steel fuel system components, lines, or tanks to rust.

3. Vehicles converted to E85 use have all stainless fuel components and special injectors to deal with the corrosive nature of higher alcohol level's water content.
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