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Disposal of old stale gas ? #5413469 04/26/20 09:21 AM
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rkpatt Offline OP
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I need to dispose of about 10 gallons of stale gas (approximate 2 years old, and smells bad like varnish. I am not comfortable with mixing it with fresh gas and using in my vehicles. Any suggestions on the best way to dispose of it are appreciated.

Re: Disposal of old stale gas ? [Re: rkpatt] #5413479 04/26/20 09:29 AM
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ejes Offline
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If it is still in your vehicle and not contaminated with particles (rust, etc), diluting it with fresh, high octane gas and burning it is the easiest. It won't hurt your engine, it just won't burn as efficient. If you already have it in containers, you should take it to a hazardous waste disposal site or maybe check with an auto shop and see if they can dispose of it for you.

If it has been sitting for 2 years in a vehicle and 10 gallons wasn't the full mark on the tank, a bigger worry would be the probability of water in the tank.

Re: Disposal of old stale gas ? [Re: rkpatt] #5413506 04/26/20 10:04 AM
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Fattylocks Offline
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Bring it over to my place and we'll toss it on a huge brush pile. Shoot a bottle rocket into it and whoosh. No more old gas.


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Re: Disposal of old stale gas ? [Re: rkpatt] #5413516 04/26/20 10:22 AM
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JohnnyJohnson Offline
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If we lived closer I'd take it and dispose of it for you a half a gallon in the tank of my Corolla with a fresh fill up and believe me I'd never know the difference.


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Re: Disposal of old stale gas ? [Re: rkpatt] #5413519 04/26/20 10:23 AM
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sw99 Offline
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I drained almost 10 gallons of 6 year old fuel from an 86 K30 that had a bad pump. It smelled awful and was brownish in color. I added it to the 2001 Corolla in two increments and topped it off with fresh fuel and ran it. I had to keep the idle up at stops but other than than it actually ran fine. I'm too cheap to waste it. Wish I was closer I would dispose of it for you.




Re: Disposal of old stale gas ? [Re: rkpatt] #5413526 04/26/20 10:29 AM
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spasm3 Online Happy
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If there is no water it it, dilute a gallon at a time with a full tank of fuel and some berryman b-12. Will burn fine if its water free.


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Re: Disposal of old stale gas ? [Re: rkpatt] #5413546 04/26/20 10:54 AM
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Any water would be settled on the bottom by now. I would still consider decanting it and putting it in your fuel tank in small doses every fillup. I've done this many times with flammable fluids.

Re: Disposal of old stale gas ? [Re: rkpatt] #5413555 04/26/20 11:01 AM
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4WD Offline
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We are in a small town but have a firefighter training center that serves other small towns. They will take it in a heartbeat.
Not sure if you are near one - but the fire dept might have an idea or two.

Re: Disposal of old stale gas ? [Re: rkpatt] #5413582 04/26/20 11:29 AM
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HowAboutThis Offline
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I'd always mix for mowers and such. But never had 10 gallons! If I didn't have newer cars and it was free of particles I'd probably try what others are saying...mix a gallon with higher octane in my car.

Otherwise, hazardous waste site seems the best option.

Re: Disposal of old stale gas ? [Re: rkpatt] #5413587 04/26/20 11:37 AM
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JTK Offline
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Kinda surprised at all the "I'd use it" comments. The OP lives in the south east? This ~2yr old fuel looks and smells bad. To me that's 3 strikes against it. Even diluted 10:1 I wound't use it for any engine I liked or needed.


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Re: Disposal of old stale gas ? [Re: rkpatt] #5413592 04/26/20 11:41 AM
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I just fired up a riding lawnmower that sat outside covered with a tarp. Sat for 3 years I did top it up but probably only 10-20%. I keep meaning to sell the old one but a belt snapped on the new one and I needed to finish mowing. Fired right up and ran great. This is a very inexpensive riding mower and not a car though.


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Re: Disposal of old stale gas ? [Re: rkpatt] #5413599 04/26/20 11:45 AM
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eljefino Offline
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Put it on craigslist.

If you have old windshield washer bottles they'll hold it, fine, and you can keep your gas cans.

Or find a mower at the dump and run it on that.

Re: Disposal of old stale gas ? [Re: JTK] #5413600 04/26/20 11:46 AM
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hallstevenson Offline
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Originally Posted by JTK
Kinda surprised at all the "I'd use it" comments.

Because there's no harm in doing so.

Re: Disposal of old stale gas ? [Re: hallstevenson] #5413604 04/26/20 11:48 AM
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Originally Posted by hallstevenson
Originally Posted by JTK
Kinda surprised at all the "I'd use it" comments.

Because there's no harm in doing so.


No harm in doing so in what?

Would you run it in your $40K direct injected vehicle?

Last edited by JTK; 04/26/20 11:49 AM.

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Re: Disposal of old stale gas ? [Re: rkpatt] #5413624 04/26/20 12:00 PM
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Use it a few gallons at a time. I used up the gas I forgot to drain from my pressure washer in my lawn mowers the past few weeks .I would run it in my 2.7 Ford if it were several gallons instead of 3 lawn mower tank fills.


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