2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

10% Ethanol

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Old Jan 18, 2008 | 10:48 PM
  #1  
sem257's Avatar
sem257
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Default 10% Ethanol

Don't know what has been going on in other states but in Missouri, were getting screwed when we fill up at the pump even more. Stations are now only sellilng us 90% unleaded fuel along with 10% ethanol. Don't know how this affects everyones tunes but its something you might wanna look in to...
Old Jan 18, 2008 | 10:54 PM
  #2  
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wmtheflash
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Joined: May 2006
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Default RE: 10% Ethanol

Octane of E10 will be whatever is posted on the pump, so it shouldn't effect your tune. Ethanol is over 100 octane (some places on the web say 113 octane).

Ethanol has a lower energy density than gasoline, which means you're gas mileage will decrease a bit.
Old Jan 18, 2008 | 11:02 PM
  #3  
howarmat's Avatar
howarmat
s197 Junkie
 
Joined: Sep 2006
Posts: 16,088
From: IN
Default RE: 10% Ethanol

This is nothing new, it has been like for 30+ years....and the octane rating at the pump is unchanged because of it


Gasoline containing up to 10% ethanol has been in increasing use in the United States since the late 1970s. In 2006, about 50 percent of the gasoline used in the U.S. and more than 85 percent of Hawaii’s gasoline contains ethanol [12]
Old Jan 18, 2008 | 11:29 PM
  #4  
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TPony
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Joined: Jul 2006
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From: USA
Default RE: 10% Ethanol

Agree...you should see no diff on your stang whatsoever.
Old Jan 19, 2008 | 12:18 AM
  #5  
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ShadyNinja
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Joined: Jun 2007
Posts: 1,257
From: Chicagoland
Default RE: 10% Ethanol

speaking of ethanol ,
sometimes I wish the stang was a FFV
that e85 is like cheap race gas!
theres a site of guys converting stangs to run e85

http://e85mustangs.com/
Old Jan 19, 2008 | 12:40 AM
  #6  
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mygt500
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Joined: Nov 2006
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From: Detroit Rock City!
Default RE: 10% Ethanol

As long as it doesn't affect my tune I could care less what % ethanol gas pumps have!
Old Jan 19, 2008 | 01:09 AM
  #7  
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my first mustang
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Joined: Jan 2007
Posts: 695
From: NY
Default RE: 10% Ethanol

Theres been 10% ethanol in winter gas here in NY for many,many years.At least 20 years or more.No problems and also no reason to buy dry gas anymore.
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