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Lets talk Ethanol.........

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Old 05-07-2007, 03:22 PM
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I'm surprised more people on this site don't burn E85. It is 105 octane, after all.

Since we're stuck dealing with ethanol anyway, I would think a lot of the big power guys would go all the way.
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Old 05-07-2007, 03:28 PM
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SPK1 please explain more on the E85 Sleeper Dave is refering too.
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Old 05-07-2007, 03:30 PM
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Swedes who have E85 on the pumps use it regularily on tuned turbocharged cars.. in fact at national level rallying E85 running turbocharged cars are coming on like a storm.

Also we who have to live with freezing temps quite a lot are running ethanol based fuels (15%) nowadays and even thou I live by the sea (50yrds from shore) I have never had any problems in my cars or boats or heard anyone have over here with the fuel containing more ethanol than before.
I think those who run into problems are those who have dirty fuel tanks and lines in the first place.
In the wintertime I havenīt had to use antifreeze for 15yrs in cars either.

In fact I have a Turbocharged car that I used a ethanol/water 50/50 mix to lower the intake temps and thisway be allowed to boost more no problems except the plugs looked like the were brand new.

http://en.wikipedia.org/wiki/E85

Last edited by MikeyFIN; 05-07-2007 at 03:36 PM.
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Old 05-07-2007, 09:24 PM
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Originally Posted by sleeper_dave View Post
I'm surprised more people on this site don't burn E85. It is 105 octane, after all.

Since we're stuck dealing with ethanol anyway, I would think a lot of the big power guys would go all the way.
hey sleaperdave where do you get e-85.i am in Va.i havent seen it here yet.
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Old 05-08-2007, 09:56 AM
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I don't know about in VA. In MI, Meijer has it, and some other gas stations. Not too widespread.

Ethanol has issues with water, E85 moreso than E10, but as long as your tanks and fuel lines can handle ethanol (they should anyway if you're running E10) and you reprogram the ECU or rejet the carb, it should work fine. E85 contains something like 25% less energy than straight gasoline, so you have to burn more of it. With a boat you don't have oxygen sensors to worry about so that's one less thing to deal with in converting to run E85. Of course storing the boat over the winter with E85 in the tanks probably isn't the best idea unless you devise a way to stop the tank from vening to atmosphere.
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Old 05-08-2007, 09:59 AM
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Navy Annex Citgo Station
801 S. Joyce St.
Arlington, VA 22204
703-979-3891
View Map

seems to be the only public facility in VA with E85.

http://www.e85refueling.com/location...fb9daa436c8978
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Old 05-08-2007, 11:59 AM
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here is another link on a similar subject: http://www.offshoreonly.com/forums/s...d.php?t=155313

Post # 8 is how I solved the same problem.
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Old 05-09-2007, 04:31 AM
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E85 is cheaper, at least in this area it is. Its like $2.45 a gallon here in IL. Have experienced NO problems in my friend's '86 28 Cig for the last 2 years running E10. No problems over the winter with a half of a tank left in it.
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Old 05-09-2007, 09:44 AM
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If you run E85, don't you need to re-jet your carbs, since Alcohol needs to run at something more like 10:1 fuel ratio unlike gasoline where it's closer to 12:1??

Also, drag cars that run on Alcohol run much bigger jets and need to be tuned daily, or even throughout the day, so the tune is right because Alcohol is much more effected by environmental conditions (heat, moisture, BAR).

On a flex fuel vehicle, the computer adjusts for this.
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Old 05-09-2007, 10:51 AM
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roughly a 30% bigger jetting.
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