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 > RV gasoline life span in long term storage

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GrampaR123

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Posted: 01/31/20 03:34pm Link  |  Quote  |  Print  |  Notify Moderator

Due to health problems our motorhome has been stored unused for over a year. How long does gasoline last before it goes bad?

Sam Spade

North Central Florida

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Posted: 01/31/20 03:59pm Link  |  Quote  |  Print  |  Notify Moderator

Without stabilizer and with ethanol, "over a year" is not good.
It kind of depends on how much over a year......and what the quantity is.
A large tank will fare better than a small one.


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Ductape

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Posted: 01/31/20 04:01pm Link  |  Quote  |  Print  |  Notify Moderator

Sorry to hear about your difficulties. Was any fuel stabilizer used prior to parking? If so, it’s probably OK, but I wouldn’t personally go past two years even with stabilizer.

If it was not treated, it depends on the conditions, temperature, humidity, how full the tank is. Over a year could be to the point of degrading already. If it was mine, I’d put some Techron fuel system cleaner and some octane boost in the tank and hope for the best. Probably that will get you through that gas and you can drive it out and get fresh gas.

It’s impossible to be certain of the situation until you get into it. Could be no problems; could need fuel filters, worst case it could need the tank dropped and drained.


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Dick_B

Palos Heights, IL USA

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Posted: 01/31/20 04:12pm Link  |  Quote  |  Print  |  Notify Moderator

Stabil states 2 years.


Dick_B
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jdc1

Rescue, Ca

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Posted: 01/31/20 04:17pm Link  |  Quote  |  Print  |  Notify Moderator

You'll be fine. How long do those unwanted new cars on the lot sit before they drop the price in half?

midnightsadie

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Posted: 01/31/20 04:23pm Link  |  Quote  |  Print  |  Notify Moderator

might be ok, pour a couple cans of sea foam in it and drive it around about twenty miles. then use that fuel up as soon as you can.

fitznj

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Posted: 01/31/20 04:46pm Link  |  Quote  |  Print  |  Notify Moderator

I had a classic car that did not get driven too often (<150/year); it
had at least 2 year old gas in the tank and drove ok each time.

However - it sat unused for more than couple of years and the float bowl
and jets had a chalky residue which had to be cleaned out.

If you can; run the engine to operating - every once in a while and maybe
add fresh gas with seafoam.


Gerry

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Posted: 01/31/20 04:51pm Link  |  Quote  |  Print  |  Notify Moderator

THe answer is I DO NOT KNOW.. but I can tell you this.....

They say more than six months unless you stablize is asking for trouble

I know of a Workhorse 8.1L Fuel injected Vortec that sat for several years. So long the batteries were flat (Would not even taker a charge) Took 3 of us and the converter to bring in the slides. Dropped a new chassis battery in it turned the key and it fired up like I was in the dealer's showroom. Drove it around the campgroung a couple of times and parked it in the long term storage area for the cg owner (This was done with premission of the RV owner) Never misfired, not once.

Of course I also never hit 10 MPH


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old guy

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Posted: 01/31/20 06:45pm Link  |  Quote  |  Print  |  Notify Moderator

when I worked for big box store they always said 30 and it starts going bad. that is why in the spring they sell a ton of lawn mower carburetors

samsontdog

Oregon, Wash Coast summer, Yuma Az winter

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Posted: 01/31/20 09:45pm Link  |  Quote  |  Print  |  Notify Moderator

Does not say what State it is stored in. If Calif I would not trust going over 60 days at the most unless you have Stabilizer or seafoam in the tank


samsontdog">">

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