Should i run fuel with ethanol or fuel without ethanol.? - Mustang Evolution

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Old 12-11-2011, 07:45 AM   #1
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Should i run fuel with ethanol or fuel without ethanol.?

I got an 1985 Mustang, has a holley double pumper carb, I was wondering if it would be better to run fuel with ethanol or fuel with ethanol.
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Old 12-11-2011, 08:34 AM   #2
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Should i run fuel with ethanol or fuel without ethanol.?

My feeling is that you would be better off not having the ethanol. It attracts water and it's hard on rubber fuel components (lines, fuel pump diaphragm, carb needle/seat assembly, accelerator pump diaphragm, etc). Those parts will tend to wear out quicker.

If you drive it all the time, the water should not be much of an issue. I have '71 Cutlass that may only get refueled every other month. That gives time for water to accumulate and cause corrosion.

If it's no more than 10% you probably won't notice much difference. Going over that is uncharted territory and is the subject of current debate with the EPA, ethanol producers, and car manufacturers.
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Old 12-11-2011, 08:47 AM   #3
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Should i run fuel with ethanol or fuel without ethanol.?

ethanol is cheaper if you're worried about saving 10 cents a gallon now but at the same time you'll be putting more gas in your car faster than you think because the mileage per gallon dramatically decreases.
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Old 12-11-2011, 09:33 AM   #4
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Should i run fuel with ethanol or fuel without ethanol.?

both of the previous answers are correct, but if you live in a metropolitan area where you have emission tests it is probably a moot point since the EPA usually requires 10% in all fuels in those geographic areas.
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Old 12-11-2011, 10:32 AM   #5
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Should i run fuel with ethanol or fuel without ethanol.?

fuel with ethanol is E10, most fuels for your car..
ethanol with fuel is E85 and only for certain cars (not your Mustang)
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Old 12-11-2011, 11:15 AM   #6
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Should i run fuel with ethanol or fuel without ethanol.?

fuel without ethanol car's engine is badly effected by ethanol.. perfomance drops down...
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Old 12-11-2011, 11:52 AM   #7
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Should i run fuel with ethanol or fuel without ethanol.?

Fuel without would be better.
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