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Old 05-05-2010, 03:35 PM
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Default Any way to filter out ethanol???

Is there any way to filter ethanol out of the fuel going to the engines of our boats and trucks like an inline system??
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Old 05-05-2010, 03:40 PM
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Yeah, on November 2nd, vote every single scum sucking senator or congressperson that voted for it out of office.......
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Old 05-05-2010, 03:43 PM
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Why would do that? The ethanol is the only thing in the fuel that will run your engine.

Just let the fuel set with the fuel cap off for a few days, it will separate on it's own. You will have a very low grade of gas on top with a layer of ethanol and a layer of water on the bottom. Any of the three layers alone will bring great harm to your engine.

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Old 05-05-2010, 03:44 PM
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No

You could distill it out but then you have pretty low octance fuel and would have to add other non alcohol addatives.

You may have to do what we all do use some fuel management technigues discussed elsewhere ad nauseam here.
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Old 05-05-2010, 04:17 PM
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Ethanol is mixed with about 83 octane gas. Ethanol is really what raises the octane level. What's worse is ethanol gets old quick and separates from the gas...it attracts water, then forms a sludge in the bottom of the tank. That sludge or the low octane fuel is what causes the problems most boaters are having....and I hate the crap!!!!!
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Old 05-05-2010, 04:17 PM
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You can't polish a turd.
Follow Floridarob's method. Best I have come across.
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Old 05-05-2010, 04:25 PM
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Quote:
Originally Posted by t500hps View Post
Ethanol is mixed with about 83 octane gas. Ethanol is really what raises the octane level. What's worse is ethanol gets old quick and separates from the gas...it attracts water, then forms a sludge in the bottom of the tank. That sludge or the low octane fuel is what causes the problems most boaters are having....and I hate the crap!!!!!
WRONG. Ethanol is added to the pure Gas that is in the tanker truck before the gas is delivered. It is an estimated mix. The octane rating is determined before in the refining process. Ethanol does not add nor take away from the octane rating of gas.
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Old 05-05-2010, 05:27 PM
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Ethanol is used as an octane enhancer and oxygenator the same way that MTBE was used previously. Removing ethanol for 87 octane fuel would give you gasoline with a much lower octane rating that would damage an older engine and greatly diminish the performance of a newer engine with an knock sensor.

http://www.fuel-testers.com/gasoline...hanol_E10.html

Short of distillation, there is no practical way to remove ethanol for a gasoline blend.
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Old 05-05-2010, 05:33 PM
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Originally Posted by floridarob View Post
Yeah, on November 2nd, vote every single scum sucking senator or congressperson that voted for it out of office.......
Now that right there is some funny stuff. And the congress"person" part adds a bit of class to an otherwise politically "un"correct post.

Oh, and I couldn't agree more.
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Old 05-05-2010, 06:34 PM
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Yeah I figured... Worth a shot. Looks like it's just sta-bil or star-tron to help the problem the idiots caused in the first place.. Love the fact that these bafoons go with an alternative fuel that only yields 18 gallons per acre per year.. and competes with the food supply, and creates more smog on top of it.. way to go!

Thanks guys, and I'm with ya on Nov 2nd... Vote them all out!!
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Old 05-06-2010, 04:08 AM
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This info is correct. (Ethanol is used as an octane enhancer and oxygenator the same way that MTBE was used previously. Removing ethanol for 87 octane fuel would give you gasoline with a much lower octane rating that would damage an older engine and greatly diminish the performance of a newer engine with an knock sensor.) Ethanol IS an octane booster. The poster stating it adds or subtracts nothing is misinformed.
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Old 05-06-2010, 04:44 AM
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Florida rob .....he da man! Nov 2 ...d day.
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Old 05-06-2010, 05:00 AM
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Ethanol = 2 carbon alcohol. It is added to gasoline to reduce volatile organic compounds and hydrocarbon emissions.

Octane = 8 carbon hydrocarbon alkane.

Show me recognized literature by the scientific community that states ethanol is an octane booster/enhancer.

Ethanol is hydrophilic (miscible with water) and is reason why it can not be transported by pipelines and reason why vehicles such as boats have problems with associated water in fuel.

Thinking further about this, I do not believe ethanol raises the octane rating. There is a difference between, "boosting" and "enhancing". I believe octane may enhance the octane rating in a manner that allows for a more complete combustion however does not actually raise the octane rating. Again octane is an 8 hydrocarbon chain and ethanol is a 2 carbon alcohol. I am sure there are many people motivated to tell whoever will listen and even those who won't listen, that ethanol is great, particularly when they are somehow connected to the corn growing community. We also should not confuse what octane does in fuel anyway as it is added to prevent pre-ignition. The part of fuel that provides power are long hydrocarbon chains. The longer the hydrocarbon chain is, this results in burning hotter and resulting in more BTU's. Shorter hydrocarbon chains do not provide as many BTU's as do longer hydrocarbon chains. More carbons = hotter burn and more BTU value.
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Old 05-06-2010, 05:26 AM
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No, you can't remove it even if you are Mr Science and have way too much time on your hands. Yes, it actually does raise octane a bit. It is an oxygenate, replacing MTBE that was removed for environmental reasons. Yes, we need to vote out the politicians who forced it down our throats.

fwiw, at least in some cases, ethanol is still added at the gas station by the guy who delivers the fuel. I watched one of them do it 2 weeks ago.
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Old 05-06-2010, 05:35 AM
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Noticed West Marine flyer had sale on two Ethanol treatment products,
Biobor EB and PhaseGuard 4. Anyone ever used either of these and are they any good to eliminate ethanol effects?
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Old 05-06-2010, 05:37 AM
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Bill- If you comment is directed towards me it is misdirected. I am totally against ethanol as a use for fuel in auto's and boats. This stuff should strictly be for human consumption.

Ethanol is likely used as a type of retardant in a way that octane prevents pre-ignition, thus ethanol is being touted to be an octane enhancer. The facts are strong why ethanol is NOT a good fuel additive. It is corrosive, hydrophilic (loves to associate with water - not good for engine) and is not a suitable lubricant. Actually, EtOH is detrimental to the lubrication an engine. Lead was very popular as it was a great lubricant and cheap however it was ugly for the environment.
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Old 05-06-2010, 05:38 AM
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Yeah this is a pretty disgusting abuse of the american people. Even Brasil that has moved very far towards ethanol has i think only like 25% mix in there fuels, although some of there cars can run on pure ethanol, Im just kinda worried about some 40gals that's been sitting in my boat for 6 months, I dumped a whole bottle of sta-bil in it (treats 80gals) but who knows? It's a 2006 with new Hondas rated for the $hit fuel.. but if we have to rely on some "dude" mixing it at the station.. wow!
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Old 05-06-2010, 05:48 AM
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Yes Ethanol sucks and the most sensitive engine on the planet to it is an E-tec as my father has one. My HPDI's are not as sensitive as the E-tec for sure.

Once we did two things we have ceased having problems.

1. Installed a fuel-water separator in front of the fuel filter and purge it any time we see a touch of water in the bottom.

2. Add a good fuel stabilizer.

Also, if you have a boat with 200 gallons of fuel like me don't fill the whole thing up if you don't need to. In other words, I run with enough fuel to get the job done and fill the tank incrimentally over the season. For, offshore season we burn through a lot of fuel but now I only have 75 gallons or so max in my tank for chasing stripers this time of year. I run it down low then through some more in.

The ultimate goal is to burn through the fuel faster and not let it fester in your tank.

Don't ask me why but I have a hypothesis that a 'bone dry' bilge also is key b/c excess moisture finds its way anywhere.
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Old 05-06-2010, 06:34 AM
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There are some effects of ethanol that no additive - even ours - can prevent. Ethanol/alcohol attacks rubber and plastic. I had to replace the fuel lines and primer bulb on my '05 EdgeWater. It made a mess of the carb on my '89 Grand Wagoneer. I've seen what it does to the inside of fuel lines and it isn't pretty. The new fuel lines are supposed to be more resistant to alcohol's effects. Let us hope so.
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Old 05-06-2010, 08:22 AM
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Ethanol conservatively has an octane rating of at least 108,some sources say as high as 116 AKI depending on RON, MON,or AKI (AKi is what we use in USA.
Fuel comes off the tanker at Port Everglades ,next to Ft Lauderdale,FL
Lets say it is ALL 85 octane.
Ethanol is added at each departing fuel truck.
Probably in the case of Chevron the fuel injector cleaner techtron is added also,or
Shells nitrogen,BP invigorate etc. Some type of cleaner will be added.
So at the no names like Tom Thumb even something is put in.

Now again lets say the marine ocean going tanker has 85 octane.
90% add 85+85+85+85+85+85+ 85+85+85 (or 85x9)=765
now add 10 % 0f ethanol at 108 octane . 765 +108=873 OR 87.3 octane mixed or E10 fuel.
http://en.wikipedia.org/wiki/Octane_rating

less conservative ,83 AKI octane x9 parts=747, plus (122 AKi alcohol octane747 +122=86.9 AKI octane.
My 2007 Toyota camry with 35,000 miles gets 31 mpg on E10 and 32 mpg on Rec 90 non alcohol. i have tested it about 10 times with the same results.

Here in the FL Keys you can buy ALL the Recreation 90 octane non alcohol fuel you want.
I know of at least 10 stations from N. Key Largo to south tip of Islamorda,~30 miles on US 1.
It now ranges from 3.40 -3.65 a gallon at land base gas stations. The station just has to dedicate a seperate underground fuel tank and pump or gas selection buttons..I guess the stations in Jax,FL are reluctant to dedicated a seperate 90 non alcohol tank.
yes you can buy it for your car if you like. we use it in the lawn mower or any type engine that has a vented fuel system.......We buy it via dock side fuel truck at ~3.85.
We have 6700 hours since Sep 05, on our charter boat at 1.2 mpg,14,500 lb 33 world cat w bridge.
gents that is over 13,000 gal of fuel
We have had ZERO fuel problems.

To answer you filter question , I don't know of any filtering process.
It would have to be cracked like a whiskey still,even then I don't know what you would get after you distilled the E10.the remaining ~90% would be sucking sludge like some other forum member calls e10.
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Last edited by conehead39; 05-07-2010 at 08:54 AM.
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