ethanol gas question

Old Nov 30, 2012 | 07:40 AM
  #1  
rocket350's Avatar
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1970 olds cutlass supreme
 
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ethanol gas question

i've heard that the new ethanol gas is bad for the older cars?

is this a myth or is it actually true?

i know the gas goes bad after about 3 months as a lawn mower that was filled in june would not start in aug/ sept, and would start if i emptied tank and put new gas in.

I read that the ethanol absorbs water and seperates and runs water through the engine.

also read that it decreases mpg majorly. 1 guy said that with gas with no ethanol, he would get somewhere around 28 mpg, w/ ethanol it dropped to around 19 mpg.

so what do i do? i know of only 1 gas station about 50 miles from me that sells gas with no ethanol, and i dont think its worth the drive.
Old Nov 30, 2012 | 07:51 AM
  #2  
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All the things you mention are pretty much true. First ou just need to change your rubber fuel lines to be compatable, both at the tank and carb.

If the vehicle is going to sit for some time with ethanol fuel, use a fuel stabilizer, as it does attract moisture.

Yes, your mpg's will drop 10%.

I run it in my cars, and have for a while with no detrimental effects. There are no stations close by with non ethanol here.
Old Nov 30, 2012 | 08:15 AM
  #3  
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Originally Posted by oldcutlass
All the things you mention are pretty much true. First ou just need to change your rubber fuel lines to be compatable, both at the tank and carb.

If the vehicle is going to sit for some time with ethanol fuel, use a fuel stabilizer, as it does attract moisture.

Yes, your mpg's will drop 10%.

I run it in my cars, and have for a while with no detrimental effects. There are no stations close by with non ethanol here.
so in the long run it wont destroy my engine? but if i can, i should get non ethanol based fuel
Old Nov 30, 2012 | 08:28 AM
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It's up to you if you want to drive 100 mile round trip. 10% ethanol will not destroy your engine. Like I said replace your fuel lines and also run a good quality fuel filter. Don't let it sit in the tank for long periods of time without a stabilizer. Tune your engine and you'll be fine.
Old Nov 30, 2012 | 08:29 AM
  #5  
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Originally Posted by oldcutlass
It's up to you if you want to drive 100 mile round trip. 10% ethanol will not destroy your engine. Like I said replace your fuel lines and also run a good quality fuel filter. Don't let it sit in the tank for long periods of time without a stabilizer. Tune your engine and you'll be fine.
with a stabilizer, do u put that in the tank when u put the car to sit, or when ur about ready to bring the car out again
Old Nov 30, 2012 | 08:43 AM
  #6  
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When you get ready to store it.
Old Dec 1, 2012 | 09:52 AM
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Originally Posted by oldcutlass
When you get ready to store it.
ok cool, thanks for the info man
Old Dec 1, 2012 | 10:06 AM
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We are taking about E10? I got to thinking about question after watching the news this morning and entirely forgot that some places are requiring E15. That will lead to possibly some issues and you will need to do some carb work to run it.
Old Dec 1, 2012 | 06:46 PM
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AAA has issued warnings about the new E-15

http://www.freep.com/article/20121130/BUSINESS01/121130007/gasoline-ethanol-car-truck-damage-AAA?odyssey=tab|topnews|text|FRONTPAGE

The AAA says the Environmental Protection Agency and gasoline retailers should halt the sale of E15, a new ethanol blend that could damage millions of vehicles and void car warranties.

AAA, which issued its warning today, says just 12 million of more than 240 million cars, trucks and SUVs now in use have manufacturers' approval for E15. Flex-fuel vehicles, 2012 and newer General Motors vehicles, 2013 Fords and 2001 and later model Porsches are the exceptions, according to AAA, the nation's largest motorist group, with 53.5 million members.

"It is clear that millions of Americans are unfamiliar with E15, which means there is a strong possibility that many may improperly fill up using this gasoline and damage their vehicle," AAA President and CEO Robert Darbelnet tells USA TODAY. "Bringing E15 to the market without adequate safeguards does not responsibly meet the needs of consumers."
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