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Old 12-08-2011, 06:30 AM   #1
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Fuel Stabilizing ????

Just purchased our New 2003 Southwind 36T and it has a full tank of gas. We are winterizing now and need to know should we put gas stabilizer in the fuel?


John and Gina White
Absecon, NJ
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Old 12-08-2011, 06:41 AM   #2
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A little Sta-bil never hurt anything. If you do put it in, you need to run the engine long enough to circulate the fuel to the injectors and such.

Jerry & Patsy Potter, Taz & Jake Jr.
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Old 12-08-2011, 06:58 AM   #3
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That is simple....the answer is YES. Todays gasoline with ethanol mix does NOT stay fresh very long. Put the required amount of Sta-Bil in it and fill it to the top.
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Old 12-08-2011, 07:30 AM   #4
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Use Sta-bil blue not red. Also sometimes called Marine mix.

Red is useless with new gasoline mixtures.
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Old 12-08-2011, 08:49 AM   #5
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Originally Posted by bdaball View Post
Use Sta-bil blue not red. Also sometimes called Marine mix.

Red is useless with new gasoline mixtures.
The Stabil people disagree with you. From the Stabil website faq's:

Q: Is STA-BIL Fuel Stabilizer safe to use in all gasoline, including gasoline/oil mixtures and ethanol blends (including gasoline containing ethanol)?
A: Yes, All STA-BIL products are effective with all Ethanol blended fuels, including E-10, E-15, and E-85.
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Old 12-08-2011, 09:24 AM   #6
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I'm with Mike. Up here in the Great White North, my rig is parked (winterized) from November to March (sometime April)...I always fill 'er up and add Stabil while filling...then take 'er for a 8 or 10 mile drive before parking for the winter. I run the genny on that drive as well so that Stabil treated fuel is in both motors. Come spring, hook up the batteries and they fire right away. (this is our 3rd motorhome)
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Old 12-08-2011, 10:44 AM   #7
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Absolutely yes, and agree with other posters about running the rig up and down the road to mix well and get to the genset if you have one. Do the same thing with my boat, except I use the river instead of the road LOL.
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Old 12-08-2011, 09:09 PM   #8
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yup agree, and don't forget to run the genny as well.
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Old 12-08-2011, 09:41 PM   #9
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Have never used any form of fuel "preservative" and never will, if it has to sit more than 6 months, I drain it. If it is in a sealed "gas can" It keeps very well.
I have many gasoline fuel toys and vehicles. Never had a problem starting any of them, after a "seasonal" storage. I once had a motorcycle that I could never find the time to ride, I let it sit too long, and it did have problems. had to do cleaning of the internal kind. However, the fuel stabilizer companies, say that 1 year is a max anyway. go figure. Anyway, Only my experience. BTW I dont' remove and store or charge batteries either, never had one not start the toy next season, unless it was 5 or 6 years old, and was probably due for replacement anyway. Traded my 2000 Yamaha GP1200R, in 2006, for my new one, still had the original battery in it. It would still start the boat.
Additives, formula's, and snake oil, all come from the same cart.

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