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 > What to do about old gas in tank

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Bob/Olallawa

Kitsap Co, WA/Bullhead City AZ

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Posted: 03/10/21 06:20pm Link  |  Quote  |  Print  |  Notify Moderator

klutchdust wrote:

grit dog said " Siphoning out is generally more of a challenge than some of the responders understand. "
no one suggested that. Did I miss something.[emoticon]


Why yes I do believe you did.


Welcome to my home, that door you just broke down was there for your protection not mine.

Grit dog

Black Diamond, WA

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Posted: 03/10/21 06:30pm Link  |  Quote  |  Print  |  Notify Moderator

wopachop wrote:

Just remember you're talking cali. 91 isnt really "high octane".

We can buy 110 octane at the pump at some stations. That would be silly to run in a generator. But I promise you guys gas in socal goes bad really quick. Luckily as someone mentioned above his RV is fuel injected.


The ability to buy race gas at the pump is not even in the context of the thread.


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time2roll

Southern California

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Posted: 03/10/21 06:46pm Link  |  Quote  |  Print  |  Notify Moderator

I keep thinking of Stan Ridgway "Just Drive She Said, Just Drive"

https://www.youtube.com/watch?v=OEgOxkCxmXI


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DAS26miles

SoCal

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Posted: 03/11/21 12:23am Link  |  Quote  |  Print  |  Notify Moderator

Since it’s been bought up, how difficult is it to siphon gas out of the tank? Not that I would. Not practical!

ron.dittmer

North-East Illinois

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Posted: 03/11/21 06:20am Link  |  Quote  |  Print  |  Notify Moderator

DAS26miles wrote:

Should I just forget it and go on the trip refilling it when needed?
YES!

I do that with 2 year old gas, even 3 year old gas in my 2007 E350-V10 motor home and done so without Stabil added into the tank 3 years earlier. Just run the tank down to 1/8 before your first fill-up.

It has never happened to me, but I suppose there is a slight risk of the engine light coming on sometime during the fuel-burn. As long as everything continues to be normal other than the engine light being on, keep driving. After your first fresh gas fill-up, disconnect the chassis battery for 5 minutes, reconnect, and you are 99.5% likely to be back to normal.

The octane rating of your fuel should be per your owners manual. For our 2007 E350-V10, I burn 87 everywhere except at high altitude when 85 is available. You want to use the lowest octane recommended per your owners manual. Contrary to popular belief, too high of octane is actually bad for your engine.


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ron.dittmer

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Posted: 03/11/21 06:35am Link  |  Quote  |  Print  |  Notify Moderator

DAS26miles wrote:

Since it’s been bought up, how difficult is it to siphon gas out of the tank? Not that I would. Not practical!
Most fuel tanks now-a-days have an anti-siphon filler tube which also prevents splash-out if you accidentally left the fuel tank cap off. Mechanics disconnect the fuel line at the fuel filter, hook up a tube, and have a means of running the fuel pump.

BB_TX

McKinney, Texas

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Posted: 03/11/21 08:07am Link  |  Quote  |  Print  |  Notify Moderator

DAS26miles wrote:

Since it’s been bought up, how difficult is it to siphon gas out of the tank? Not that I would. Not practical!

Google it. There are multiple posts and videos with different approaches on how to do it.

wopachop

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Posted: 03/11/21 10:12am Link  |  Quote  |  Print  |  Notify Moderator

Grit dog wrote:

wopachop wrote:

Just remember you're talking cali. 91 isnt really "high octane".

We can buy 110 octane at the pump at some stations. That would be silly to run in a generator. But I promise you guys gas in socal goes bad really quick. Luckily as someone mentioned above his RV is fuel injected.


The ability to buy race gas at the pump is not even in the context of the thread.
Interesting comment. So youre taking the time to point out a topic that you feel is not helpful to the thread.

To the OP if reading this i see people telling you that high octane gas is a waste of money. Dont let that confuse you or keep you from doing a 60 second google search on gasoline degrading over time. If your RV or lawnmower is gonna sit for months and your only choice is cali ethanol gas i would highly recommend spending the extra change for 91 octane. Its about all we can do. That an adding a treatment. I use startron but looking to switch. To me high octane gas is race gas. 110 octane you can find at some socal pumps because of the large offroad community.

DAS26miles

SoCal

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Posted: 03/11/21 10:14am Link  |  Quote  |  Print  |  Notify Moderator

Will wait and burn it up on trip. Thanks

AJR

Close to Madison Wisconsin

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Posted: 03/11/21 03:04pm Link  |  Quote  |  Print  |  Notify Moderator

OP, great idea. Especially since your generator has been loving the gas & starting.


I run the gas tank down every fall at bed time for the camper & fill the tank with non-ethanol gas. Then I run the generator for a good hour under load. Just like all the old gas powered tools I had in the past. All was well the following spring.


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