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Old 04-18-2009, 04:59 PM
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Default Ethanol and fuel stabilizer do they work?

This might be a bit of a re-hash but does anyone have any actual confirmed information on which fuel stabilizers are effective (if any) for stabilizing ethanol gas? There are tons of anecdoctal stuff from "I use it and had a problem" to "I don't use it and don't have a problem"

Have their been any actual studies as to which ones work, how long they work for, and so forth?
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Old 04-19-2009, 07:29 AM
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Put it this way. How much do you use your boat? If you are burning a tank a week I wouldn't worry about it, if it sits for two or three weeks. Don't use it and see what you get, Startron and Stabil have worked for me.
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Old 04-19-2009, 07:55 AM
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I still have yet to see a single independant test showing any of these products do anything in relation to ethanol fuel issues. Plenty of guys using them have had zero problems, plenty of guys have had problems and plenty use nothing. The ratio seems to be the same either way. When ethanol does strike, the only fix is to pump your tank and start over. I am saving all my money from not buying additives and will use that if I ever need to have the tank pumped. I am a skeptic to marketing BS and have yet to see anything definitive. Plenty of goofy tests at boat shows by vendors standing behind a table with clear glass jars. Reminds me of the traveling salesman selling "tonic" out of a covered wagon. All these people who say they use brand "X" and have no issues are proving nothing. I can go pour a shot of wiskey in my tank every fill up and have no issues. That doesnt mean Jack Daniels fixes ethanol issue.
I honestly cannot believe companies are allowed to market this stuff without and solid evidence that it works.
End of rant...
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Old 04-19-2009, 08:31 AM
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I use stabil and haven't had any problems, not that it proves anything . I did do a test for water removal using Ezorb and it had great results. The thread is named..Posting pictures-Ezorb and I started it oct 25 2007. The jar is still in the garage with no separation
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Old 04-19-2009, 08:56 AM
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Default B12

I use B12 get it at walmart for half the price of the others and have increased my fuel economy almost double.
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Old 04-19-2009, 09:36 AM
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Old 04-19-2009, 10:30 AM
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Originally Posted by inshorecatch View Post
I use B12 get it at walmart for half the price of the others and have increased my fuel economy almost double.
What is B12?
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Old 04-19-2009, 10:37 AM
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I think most of the boaters that have posted about fuel issues had water and or crap in their tanks and didn't know it... until E-10. Or they filled up and got a tankful of bad gas. It will eat away at fuel lines faster and there is nothing you can do about that.

IMO, stabil works to keep fresh gas usable for longer... but that's about it.
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Old 04-19-2009, 10:44 AM
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Originally Posted by inshorecatch View Post
I use B12 get it at walmart for half the price of the others and have increased my fuel economy almost double.

no offence but I call BS
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Old 04-19-2009, 01:15 PM
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I use B12 get it at walmart for half the price of the others and have increased my fuel economy almost double.
You see.....this is the kind of thing I am talking about. There is absolutely no way this product can have that kind of dramatic effect on fuel consumption without having some very serious side effects...like blowing the heads off your motor. Gasoline contains energy. That energy is released when it is burned in an internal combustion engine. In order for a fuel additive to increase fuel mileage, it has increase the amount of energy in the fuel. People who race have been playing with such additives for along time. Nitromethane is that would have a dramatic effect! It would also be like pugging in a 110 volt electric motor to a 220 volt power source. The increase in power would be very short lived.
There are no magical potions that change the molecular structure of the fuel to make it burn better (another common line of BS).

Now if you would like to look at the contents of B12 or any other of these products, just look up the MSDS sheets. Here is the list for Berryman, the company that makes B12.
http://www.berrymanproducts.com/Default.aspx?tabid=120
You will see that most of their fuel treatments (just like most other companies) contain Toulene, Acetone, and METHANOL (aka ethanol)....the very ingredient we are trying to eliminate! Sure, it looks impressive when it makes the water "disappear" from that glass container on the display table, but we now know it is the last thing we want to add to our fuel. And how many fuel lines, orings, plastic carb floats, etc. are rated for resistance to acetone or toulene??? Save your money for the tank cleaner.

Bill from Starbrite should be along shortly...
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Old 04-19-2009, 01:49 PM
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I am not an expert but did spend some time researching these additives. The only company that lists actual independent tests that I have seen have been for PRI-G. I have also corresponded with them and they had sent me the MSDS information. Their main business seems to be the commercial fuel market which also was a positive. PRI-G is a little hard to find but very reasonable on a per gallon cost. I am always open to new information as the bottom line is to do what is best for our engines. PRI-G seems to be a combination of something similar to Techron and a stabilizer that works in a differnt way than Startron. I have been impressed with the Startron representative that answers questions on this site but am dissapointed that Startrons web site offers no independent testing results, only testimonials which I give little credence.
This winter, just for fun, I put some ethanol fuel in a baby jar and left it out in my unheated garage, for the last month with the top not screwed on tight. Fuel looks the same as the day I put it in. I am wondering if most of our ethanol problems are not due to the scrubbing action of ethanol fuel as we convert. I guess I will find that out shortly as this is the first winter the boat has been stored with ethanol in the tank.
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Old 04-19-2009, 02:00 PM
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Old 04-19-2009, 02:49 PM
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The mechanic I use in the keys only rebuilds engines. Reboring etc. Total rebuilds that other dealers send him. From his many years of hands on experience he does not believe in any additives. He believes the most important thing if nothing else you do, is to store your boat with as full a tank as possible. So far I have had no problems with 2005 F115 Yams. I store my boat for 9 months.
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Old 04-19-2009, 03:42 PM
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jack b-defender marine carries pri-g fuel treatment-16oz for 19.27 and 32oz for 28.47. also racor spin on filters are 21.15.
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Old 04-19-2009, 03:52 PM
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What are you trying to stabilize? Why? Its gasoline, burn it, use your boat. Gasoline is fine up to 12 months before it goes bad. There is no additive that makes any difference what so ever, if it makes you sleep at night throwing your money away then go for it.
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Old 04-19-2009, 04:15 PM
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Quote:
Originally Posted by DIVER2 View Post
The mechanic I use in the keys only rebuilds engines. Reboring etc. Total rebuilds that other dealers send him. From his many years of hands on experience he does not believe in any additives. He believes the most important thing if nothing else you do, is to store your boat with as full a tank as possible. So far I have had no problems with 2005 F115 Yams. I store my boat for 9 months.
Diver,
A full tank is good advice. I ran my twin Yams for 4 seasons with no adds and no problems. Then, when I put the boat up during the 5 buck-a-gallon dark ages, I was too cheap to top off. The next season I started loosing RPM in one motor and then the other. Both motors needed new injectors in spite of rugular filter maintenance and a 10 micron element. I believe that the aluminum tank ozidized above the level of the fuel and washed into the motor the next season. Maybe the aluminum oxide powder is finer than 10 microns??? Anyhoo, a full tank would have prevented the oxidation in the first place. Could be a coincidence, but that was the first time in 40 years that I didn't top off for winter layover.
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Old 04-19-2009, 07:42 PM
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Put it this way. How much do you use your boat? If you are burning a tank a week I wouldn't worry about it, if it sits for two or three weeks. Don't use it and see what you get, Startron and Stabil have worked for me.
What he says above is right. I have used regular STA BIL from Wally World since 1988 and in summer my boat sits on trailer for 5 to 6 mos while I am running from hurricanes to my place in CA. FL is nice only late November to late June. During that time my boat in CA is shock full of Sta-Bil.

I use stabil in FL and in CA.

I have used B12 chemtool on my toy boat to clean the varnish off bottom of its fuel tank. Works great! Melts it down and out pretty quick. But then I dumpt the mess out.

As long as you keep your fuel tanks topped off you should have no problems. Water gets in when the tank is 3/4 full or less. Water is in the air we breathe as vapor and loves to condense on cool places like insides of boats and gas tanks.
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Old 04-19-2009, 09:12 PM
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Stabil also makes stabilzer specifically for ethanol gas its green not red. Though other than that I dont know anything about it.

I do know that I am in Louisiana and ethanol hasnt been all over down here for that long and I am now having some fits with my f115 and all things point to the fuel system. I have run thru the entire system from start to finish and am at the injectors which I am sending out tomorrow to have tested and cleaned etc. Whether it was ethanol related or just that time or my brother did something to when he borrowed it hahaha jk I dont know but ethanol and separation is REAL

On a side note down here BP does NOT sell ethanol gas so that is where I am/will be purchasing all my boat fuel from
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Old 04-20-2009, 07:09 PM
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Of course the simple answer is to use your boat a LOT. Unfortunately, I am not in that situation. I have been using Sta-bil because I an afraid not to. I also pray. So far one of them is working. When I put 4-strokes on my fuel consumption went way way down. Normally you think of this as a good thing but this means my 115 gallon tank lasts 5 trips now instead of 2. If I go out once a month - and skip a month now and then because of weather and work this means the gas sits in the tank for 6 or 7 months.

Thanks for the input re Pri-G - I'll have to study the data.

By the way, for those of you who are taking your chances - Have you reasarched how much it costs to get rid of a bunch of "bad" gas? Short of doing something illegal like pouring it down the drain, I was told that It would cost me $6.00 per gallon to get rid of bad gas. Furthermore, before thay take it they would have to test it to see if they would take it. I assume if it was phase separated or something they would not take it. What do you do then? Big problem.
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Old 04-20-2009, 08:01 PM
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