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Long term Gasoline storage

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  • Long term Gasoline storage

    Does anyone know how to store gas long term? Sta-bil will keep it up to 2 years I have heard, but how about longer?

    And what about cars with older carbureted engines? Will they burn gas that's getting crappy better?
    All that is gold does not glitter, nor all who wander are lost

  • #2
    Lailr, I have "heard" that the PRI-G is better than the Sta-Bil. If I remember correctly, there was a test conducted on 15-year-old gasoline and the PRI-G had the top results.

    Anyway, here is where you can start researching if you want..

    http://www.nitro-pak.com/product_inf...ab73c6cfacdad9

    HTH!

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    • #3
      I have the ultimate test that will be coming up this summer. My Bronco has been sitting 2 years now. It was parked after making a wild trip home from the gas station with an electrical fire. The tank was topped off with 22 gallons. I have a fairly new looking wiring harness that I am going to put in this summer, and finish up some odds and ends. Before starting it I will dose it with PRI-G and agitate the tank before starting it. Will be interesting to see what happens. I do not expect to have perfect gas but gas good enough to drive some and then as the level drops add new fuel in.

      PRI-G is designed to be added to the fuel on an annual basis, but can also be used in situations like mine to revive fuel to a usable condition.

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      • #4
        Originally posted by SandHillsHillbilly View Post
        I have the ultimate test that will be coming up this summer. My Bronco has been sitting 2 years now. It was parked after making a wild trip home from the gas station with an electrical fire. The tank was topped off with 22 gallons. I have a fairly new looking wiring harness that I am going to put in this summer, and finish up some odds and ends. Before starting it I will dose it with PRI-G and agitate the tank before starting it. Will be interesting to see what happens. I do not expect to have perfect gas but gas good enough to drive some and then as the level drops add new fuel in.

        PRI-G is designed to be added to the fuel on an annual basis, but can also be used in situations like mine to revive fuel to a usable condition.
        Please post your results, and thanks!

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        • #5
          Yes please........
          All that is gold does not glitter, nor all who wander are lost

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          • #6
            Gas that has been cut with methanol or ethanol do not store well for any length of time even with stabil or other additives. That is why some many home owners have problems in the spring with thier landscaping equipment not working even when they store with addititves like stabil. Straight gasoline smells like gas after a few years but mixed gas gets funky in color and smell. Some one on here can put this in fancy words later. The ethanol and methanol are used as oxygenators, and be cause they are alcohol based they alcohol evaporates out of the mixture leaving high gluclose levels in the fuel not causing it not to combust well or at all.

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            • #7
              Originally posted by Omegaman View Post
              Gas that has been cut with methanol or ethanol do not store well for any length of time even with stabil or other additives. That is why some many home owners have problems in the spring with thier landscaping equipment not working even when they store with addititves like stabil. Straight gasoline smells like gas after a few years but mixed gas gets funky in color and smell. Some one on here can put this in fancy words later. The ethanol and methanol are used as oxygenators, and be cause they are alcohol based they alcohol evaporates out of the mixture leaving high gluclose levels in the fuel not causing it not to combust well or at all.

              Do all stations say wether or not they put ethanol or methanol in their gas?
              All that is gold does not glitter, nor all who wander are lost

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              • #8
                At least in Maine, gas stations have sticker on the pumps that say what the fuel is mixed with and some times the percentage. I think around here almost all of the gas has methenol mixed in. :mad: Now the storage of gas for use in cars and trucks this is not as big of a deal because of higher starting voltage and more spark plugs but in small engines it is. I do use stabil in all of the fuel that I store but it is more to stop gumming then any thing else.

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                • #9
                  I still wonder if a carbureted engine rather than fuel injected will burn worse gas longer.......What about diesel? Does it have a longer shelf life?
                  All that is gold does not glitter, nor all who wander are lost

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                  • #10
                    My husband says a carbureted engine would be the one to go with....because the carbureted engine is not under pressure like an injected engine. Injectors have spray nozzles which spray a very fine mist into a combustion chamber or a tune port engine where it mixes with air. Injectors have very fine spray nozzles with tiny holes in them and gas has a tendency to "set" and dry over time turning into a shellac that plugs up injectors.
                    A carbureted engine is better because it has a better chance of being able to run and not being clogged up.
                    My husband is a thirty five year Harley and Diesel engine mechanic. Hope this helps....imluna47

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                    • #11
                      Originally posted by Omegaman View Post
                      Gas that has been cut with methanol or ethanol do not store well for any length of time even with stabil or other additives. That is why some many home owners have problems in the spring with thier landscaping equipment not working even when they store with addititves like stabil. Straight gasoline smells like gas after a few years but mixed gas gets funky in color and smell. Some one on here can put this in fancy words later. The ethanol and methanol are used as oxygenators, and be cause they are alcohol based they alcohol evaporates out of the mixture leaving high gluclose levels in the fuel not causing it not to combust well or at all.
                      High glucose levels? Do you have a link for that?
                      From what I've read much of the reduction of the storage life of the gas
                      is because of the reduction or elimination of MBTE.

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