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 > Storing with gas in tank, for a year or more?

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Ron3rd

Upland, CA USA

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Posted: 05/05/20 11:44am Link  |  Quote  |  Print  |  Notify Moderator

jdc1 wrote:

Seafoam? For a gas stabilizer? Hmmmm.....


Yes Seafoam is an excellent stabilizer. It's used for other purposes too. Some say the best is marine Stabil


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Naio

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Posted: 05/05/20 12:21pm Link  |  Quote  |  Print  |  Notify Moderator

To clarify, I do plan to run the van every month or so, but keeping it up on its leveling blocks. I don't think that I can rock it back and forth while it is on the blocks.

I like the idea of mixing the stabilizer into a can of gas and pouring it in. Maybe with a second can of plain gas to mix it down into the tank.

I only drove about half a mile after filling the tank, but I assume there is room for a little extra?

This brings up another question, though. I do have several gas cans, but I have picked them up at garage sales over the years and I've never cleaned them out. For all I know they have been used for gas/oil mixtures or something.

In a normal year I would probably rinse them out with rubbing alcohol and let it evaporate, but sadly I did not do that in a normal year, and rubbing alcohol is no longer a thing that exists. Paint thinner? Or would a gas station let me use a little gas to rinse them and dump it out somewhere?


3/4 timing in a DIY van conversion. Backroads, mountains, boondocking, sometimes big cities for a change of pace.


wopachop

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Posted: 05/05/20 12:39pm Link  |  Quote  |  Print  |  Notify Moderator

Gallon water bottles work great. You know its clean. Can toss in a piece of paper towel and shake it around if youre in a hurry to get it dry. Or just leave the cap off for a couple days. Upside down so dust doesnt collect inside.

Picture below is a troubleshoot tool. If you have a genny or small engine that doesnt start just pull the fuel line and gravity feed it known clean gas. Or even a mega strong mixture of starTron if youre trying to get a genny with a clogged up carb running. Can let the mixture sit in the carb for days and break up junk.

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pianotuna

Regina, SK, Canada

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Posted: 05/05/20 12:47pm Link  |  Quote  |  Print  |  Notify Moderator

Hi Naio,

It is illegal to use a non approved container for gasoline.

If you have existing cans, pressure wash them, or steam clean them if you are concerned about contamination. Rinsing with naptha would work too--but then there is the issue of what to do with the dregs. Burning works, I guess. Starting briquets for cooking would work, too, but make sure to not cook for say 20 minutes.


Regards, Don
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2oldman

New Mexico

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Posted: 05/05/20 12:53pm Link  |  Quote  |  Print  |  Notify Moderator

I'd be thinking of draining the gas.

wopachop

lb

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Posted: 05/05/20 01:06pm Link  |  Quote  |  Print  |  Notify Moderator

Siphon and sell it to a buddy?

Naio

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Posted: 05/05/20 01:27pm Link  |  Quote  |  Print  |  Notify Moderator

In my wet climate, it's recommended to store vehicles with a full tank to decrease condensation inside the tank.

I forgot to respond to someone's comment about batteries. I do have trickle chargers hooked up on the AGMs, and the chassis negative terminal unhooked.

Is it ok to leave the trickle chargers on long term?

pianotuna

Regina, SK, Canada

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Posted: 05/05/20 01:42pm Link  |  Quote  |  Print  |  Notify Moderator

Naio,

Buy a cheap timer from a dollar store. Try to find out the parasitic loads on the Van.

For my car, the parastic loads are about 0.7 amp-hours per day. I run the trickle charger for 3 hours per day because it is the coldest part of the year. I'm still using the OEM battery (2013). No signs of deterioration.

wopachop

lb

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Posted: 05/05/20 02:15pm Link  |  Quote  |  Print  |  Notify Moderator

Naio wrote:

In my wet climate, it's recommended to store vehicles with a full tank to decrease condensation inside the tank.
Yup thats true with all gas tanks. Sometimes you have to pick the lesser evil. My toyhauler has an aux gas tank that feeds the genny. I siphoned out the old gas from previous owner because he told me it was old. Since then i keep the gas tank practically empty. Start the genny every month and add some fresh 91 when i have it.

Might be something to consider. Get fresh gas every couple months and only add enough to run it for as long as you planned. That means you have to sell the gas thats currently in it. I would personally go that route versus a full tank of gas that i know will sit for a year.

I know im a starTron fan but boat guys like it because it also absorbs any accidental water from the fuel. Which means it could help with the condensation issue.

down home

south

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Posted: 05/05/20 02:36pm Link  |  Quote  |  Print  |  Notify Moderator

I get the message of service temporarily unavaialble nine times out of ten. if it is when I attempt to post, and go back to the page to try to post it again it won't let me.
So if this post. Get a can of VP race fuel concentrate, or Sunoco etc if they have it. one can makes 10 gallons f race fuel with any gas.
Roughly 22.00 per can at parts store.
Obviously it wont' turn a large tank into 110 octane racing gas but what it will do with the tolulene and oxygenators in it is clean lines etc and any sour gas in small quantities.
This is when you intend to start it up after sitting.
Buy a bottle or two depending on tank size of Chevron or other additive designed to replace what cheap gas does not have detergents in it and add it to your gas. it will help clean liens etc too.
If you have Ethanol gas mix in your tank by all means use blue bottle of Stabil before you shut it down, for winter or whatever. When you intend to restart it if you have a water separator near the tank or anywhere drain it. You will most likely find some water with ethanol in the gas. Today with this Ethanol gas on a large tank of a Mh If I had one that used gas I would install a fuel/water separator at the low poing in the line near the tank. Make sure the separator/filter media is ethanol gas compatible not diesel only.
That's just my 2 cents and other I am sure have some better advice.

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