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8 Year Old Gas
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| Cy |
Posted on 07/23/09 - 7:12 AM
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Almost have the V-20 ready for the water after long indoor storage. About 30 gallons of 8-9 year old gas in the internal tank. Don't want to dump it, don't want to pay to have it hauled away, been pulling 2 liter bottles worth to run the yard equipment and they run fine. No water, no debris in the 2L bottles (10+) I have been taking.
Engine is circa 1990 150 Evinrude V-6 that I have test run from a 5 gallon tank of new gas. Anything I can do to the old gas to keep from messing up the engine? Seafoam, 50% new gas 50% old, 75% new??
Wish the riding mowers had larger tanks.
Thanks,
Cal
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| Guts |
Posted on 07/23/09 - 7:21 AM
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The Hazardous Waste have become a little easier to find. call the fire department, or your local wast mangment office.
ADDED;
http://wiki.answers.com/Q/Can_you_mix...w_gasoline
Edited by Guts on 07/23/09 - 7:41 AM |
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| CES |
Posted on 07/23/09 - 7:34 AM
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Throw in a lot of new gas and call it good. Make sure you have a water seperator in-line with your fuel and I think you should be fine. Also, make sure you have a new fuel filter on your gas line too so as to get rid of any sentiment that may be in your tank.
Cliff
1966 13' Sport with a 1993 40hp Yamaha 2 Smoker |
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| Phil T |
Posted on 07/23/09 - 7:49 AM
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Cy -
If the fuel were a year or two old I would suggest running it in your small engines (mower, snowblower etc.) Given it is 8 years old, I personally would not use it for anything.
If it fouls the carbs of your engine or mower, you are looking at more costs to repair then the disposal fee.
In Maine, Clean Harbors will take the disposal. Not sure of Texas.
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| theo |
Posted on 07/23/09 - 7:54 AM
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Maybe you could spread the wealth? Siphon 10 gallons into your truck, 10 gallons into your car, and leave 10 gallons in the boat. Top them all off with fresh. All you need is a piece of garden hose and a couple Jerry cans.
But 8 years is a long time. I have Briggs and Koelher engines around that won't run too well on that. Modern engines are better at it since they can adjust the timing and fuel:air ratio to compensate. I guess I'd try it first in one vehicle and go from there.
Ted
1985 15' CC, 1994 60 hp Merc (Wednesday built), 5" jack plate |
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| Jeff |
Posted on 07/23/09 - 8:06 AM
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There is no such thing as 8 year old gas. That is called varnish  .
My OMC mechanic takes old gas from customers that "donate it" as well as from boats which he has pumped the tanks at the owners request and then fuels his HiLows with it.
If it was a small amount I mix it into my used oil when I do oil changes on my cars. Then take it to a recycling center. 30 gallons could take a while.
I would start by adding X gallons at a time to your cars or truck. Try not to mix it over 25% old gas to 75% new gas. Be sure to use the highest octane fuel when you are burning it off like this. I have done this method even using 50:1 mixed fuel with my truck and not had a problem.
1993 23' Walkaround Whaler Drive |
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| Tig |
Posted on 07/23/09 - 8:10 AM
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If I have old fuel, I burn it in my truck. 1/4 tank per fill up.
If it doesn't smell like turpentine and it can run a lawn mower with out any fresh fuel added, it sounds amazingly good for it's age. Dilute it with fresh fuel and burn it where ever you can.
Edited by Tig on 07/23/09 - 8:10 AM |
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| HarleyFXDL |
Posted on 07/23/09 - 8:23 AM
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I drained the tank in my outrage and put some in each of my three vehicles. I put about 10 gals and filled the rest of the tank with fresh gas. never had a problem.
Kevin
1988 11' Super Sport, 1987 Johnson 15hp.
If you think education is expensive, try ignorance
"Vegetarian - old Indian word for bad fisherman." |
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| Tom W Clark |
Posted on 07/23/09 - 8:34 AM
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If you had 8-9 year old E10, I would get rid of it. But old straight gas is not that bad if it is dry.
A 1990 OMC V-6 150 is a very simple and robust outboard. It will burn almost anything. I certainly would be more inclined to run it on old gasoline than any road vehicle I own.
If you want to use the fuel, fill the tank with Premium to dilute the old gas and use it all up.
Otherwise, dispose of it somewhere they take gasoline. This is not as hard as you might think in his day and age..
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| MW |
Posted on 07/23/09 - 9:06 AM
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It goes against the rule of "Always start with fresh fuel", Gasoline start's to degrade after 30 days (even with fuel stabilizer in it).
Matt |
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| chris55386 |
Posted on 07/23/09 - 10:25 AM
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I had 60 gal. of 4 year old gas in my Outrage and that was one of my biggest issues this spring before i started the engine I was going to remove it all. My mechanic pumped it all out and did what Theo recommended and spread the wealth. My mechanic used it slowly by mixing a few gallons per fill in his vehicles. There was no way i was going to attempt to start my outboard motor with that old crap...
Chris
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| ioptfm |
Posted on 07/23/09 - 11:33 AM
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In my opinion (whatever that's worth) keeping that old gas is like playing Russian Roulette.........You may not have a problem, but if you do it could well be fatal!
Tom
1979 Sport 15' |
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| Cy |
Posted on 07/23/09 - 12:41 PM
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Not sure why old gas would be anymore fatal then new gas, but I appreciate all the comments. In anticipation of the boat actually getting wet, I started using the fuel last summer in a Simplicity garden tractor, a Wheelhorse riding mower, and a push mower. A year later they continue to start and run fine..
I have been flying small planes for 40 years or so and have sumped a lot of fuel tanks. Other than than the orange color and smell, there hasn't been any water or debris in the old fuel. The boat is in Maine, which is why progress has been so slow,. The truck is n'06 so its engine is worth more than the Evinrude and won't be part of the experiment. Too bad the tractor is a diesel.
Tom gave me the information I needed about the engine. Now I think I need to get another 10/15 gallons out and some new fuel in.
If that doesn't work I can buy an Etec and the cost or removing the old fuel would be trivial.
Thanks again for the help.
Cal
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| CES |
Posted on 07/23/09 - 1:37 PM
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Cy wrote:
I have been flying small planes for 40 years or so and have sumped a lot of fuel tanks. Other than than the orange color and smell, there hasn't been any water or debris in the old fuel. Cal
Cal,
I've been flying planes for 20 years myself........what a great combo...Whalering and flying! Gotta love life!
Cliff
1966 13' Sport with a 1993 40hp Yamaha 2 Smoker |
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| scostagl |
Posted on 07/23/09 - 7:17 PM
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I had a bad experience trying to use old gas from a whaler in my volvo. I was only putting 5 gallons of old in to fresh 12g. Well, the volvo stalled / died after about 2 ties of this and I had to take it to the dealer where they had to drain the tank and all the lines as well as flush out the injectors. If I had to do it all over again I would have just drained the tanks and taken it to a recy center.
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| awayland |
Posted on 07/24/09 - 6:57 AM
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I had 13 gallons of 8 year old gas that the local water company here in New Haven, CT took. They do Hazardous waste collection for the surrounding towns. Check with your local town or city for Hazardous waste collection days. They took it for free along with the old dead batteries that were in the boat.
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