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Boat Gasoline Shelf Life

Posted on 4/10/11 at 1:09 pm
Posted by W
Baton Rouge
Member since Nov 2007
6100 posts
Posted on 4/10/11 at 1:09 pm
How long do you guys (and gals) store gasoline and and still use it? Ive got about 12 gallons (already mixed with oil) that I'm pumping out of my boat.

I plan to mix it in with fresh gasoline throughout the season.

Outboard Mercury 150.

What say ye?
Posted by tigerfoot
Alexandria
Member since Sep 2006
56204 posts
Posted on 4/10/11 at 1:26 pm to
I dont know, but using a fuel stabilizer has made my life better
Posted by FISH N TIGER
South Louisiana
Member since Jun 2007
1165 posts
Posted on 4/10/11 at 1:28 pm to
I keep fuel treatmant in the gas thats in my boat at all times so 2-3 months would not and has not been a problem for me. Untreated fuel that has Ethanol in it i would not go past 2 weeks...JMO!
Posted by W
Baton Rouge
Member since Nov 2007
6100 posts
Posted on 4/10/11 at 1:30 pm to
Gas looks clean. It is the same color it was when I put in in the boat last October. Still smells really strong.

Normally, Id use it to start a bonfire. Now that gas is expensive as a kicking fricking Asian chicken, I plan to reuse it.

Got a good stabilizer to recommend?
Posted by hendrixfan
Shady Brook slough
Member since Jul 2005
3128 posts
Posted on 4/10/11 at 1:31 pm to
5 months...but I buy ethanol free gas and use stabil
Posted by Boats n Hose
NOLA
Member since Apr 2011
37248 posts
Posted on 4/10/11 at 1:32 pm to
Agreed...running ethanol gas that's more than a few weeks old always gives me engine trouble. I've got one gas station that sells ethanol free gas I always go to, and I had a tank last me from January til march fine with no fuel treatment. That's the longest I've really tried
Posted by FISH N TIGER
South Louisiana
Member since Jun 2007
1165 posts
Posted on 4/10/11 at 1:40 pm to
I use Marine Stabil and Seafoam in everything i own.
Posted by tigerfoot
Alexandria
Member since Sep 2006
56204 posts
Posted on 4/10/11 at 1:51 pm to
I have used Stabil and the Quicksilver one...I think I prefer Stabil, the Quicksilver one has my engine smoke a tad more.

But both have helped me out over the past few years.
Posted by Tigris
Mexican Home
Member since Jul 2005
12346 posts
Posted on 4/10/11 at 5:35 pm to
quote:

Normally, Id use it to start a bonfire. Now that gas is expensive as a kicking fricking Asian chicken, I plan to reuse it.


My boat sat for almost two years with 30 gallons of gasoline and oil. I worked it into my car; about a gallon after each fill-up. No problems.
Posted by charlied
Lafayette
Member since Dec 2007
3822 posts
Posted on 4/10/11 at 5:42 pm to
Quickkeen/Quicksilver will make the engine smoke more because it is de-carbonizing the engive. Watch that your plugs don't foul too.It is great stuff.

Where in BR is a non-ethanol station please?
Posted by Geauxtiga
No man's land
Member since Jan 2008
34377 posts
Posted on 4/10/11 at 6:11 pm to
I always leave gas in my boat's gas tank. I pretty much use it year-round.
Posted by Bayou
CenLA
Member since Feb 2005
36775 posts
Posted on 4/10/11 at 7:05 pm to
I use Stabill Ethanol treatment and Mercury Quickleen at all times
Posted by W
Baton Rouge
Member since Nov 2007
6100 posts
Posted on 4/10/11 at 7:06 pm to
Thanks guys and gals.
I plan to dilute at 2:1, new to old, ratio.
Posted by faxis
La.
Member since Oct 2007
7773 posts
Posted on 4/10/11 at 8:33 pm to
On the sailboat I barely use gas so I'll have it sitting in there for quite awhile. I don't use ethanol. I do use stabil. And my tank is in a covered hatch that doesn't do radical temp changes every day so it's not so bad on condensation. I've gone probably six months with the same five gallons at times.

I feel for you guys with the gas guzzlers. If you wanted to be on the water as much as me you'd be spending a fortune. Not that you can't spend a fortune on a sailboat. It is a boat.
Posted by charlied
Lafayette
Member since Dec 2007
3822 posts
Posted on 4/10/11 at 10:26 pm to
Marine Stabi works.Lotta people tout Starbrite Startron but my engines enjoy marine stabil with Merkleen plus there are two stations by the marina that sell ethanol free fuel.
Posted by Boats n Hose
NOLA
Member since Apr 2011
37248 posts
Posted on 4/10/11 at 10:30 pm to
Ethanol free gas makes all the difference in the world IMHO. My motor is a lot harder to start and idles like shite if I run gas with ethanol. Mileage is noticeably worse as well.
Posted by fishfighter
RIP
Member since Apr 2008
40026 posts
Posted on 4/11/11 at 6:33 am to
quote:

I use Stabill Ethanol treatment and Mercury Quickleen at all times


If you are running 2 cylce Mercs, try using seafoam instead of Quickleen. Much cheapper in the long run and keeps the plugs looking new.
Posted by tigertoe
br
Member since Jan 2006
306 posts
Posted on 4/11/11 at 8:24 am to
is there any ethonal free gas stations in baton rouge area
Posted by Boats n Hose
NOLA
Member since Apr 2011
37248 posts
Posted on 4/11/11 at 8:45 am to
I've never filled up in BR, Stump's on airline in Gramercy is where I fill up. I had a link to
A page on LA sportsman with a list of ethanol free stations, but it's not there anymore
Posted by tigertoe
br
Member since Jan 2006
306 posts
Posted on 4/11/11 at 9:17 am to
thanks
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