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Old 03-20-2017, 05:35 AM   #1
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Default STA-BIL - is there a difference?

I'm a regular user of Sta-Bil in my boat.

I saw on Amazon all different "types" of Sta-Bil.

Anyone have an opinion on the different types? I've used the regular type with no issues but am wondering if anyone knows if it really matters?

Thanks.
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Old 03-20-2017, 06:40 AM   #2
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As I understand it, the pink stuff is a fuel stabilizer that will keep gas fresh for up to 24 months. The blue stuff is a stabilizer and ethanol fuel treatment, and keeps gas fresh for up to 12 months.

I use the pink stuff because I don't use ethanol fuel in the boat. The pink stuff is intended more for long-term storage I think, and the blue stuff is more of an "all-in-one" kind of fuel treatment with some stabilizer properties.
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Old 03-20-2017, 08:54 AM   #3
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There is a marine specific version.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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Old 03-20-2017, 09:05 AM   #4
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I'm using Sta-Bil along with Seafoam. You see a problem with using both?

I'm running a 2 stroke Yamaha 90 hp.


Other than a little smoke it seems to be fine but I'm just wondering.
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Old 03-20-2017, 09:11 AM   #5
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It all works... I parked my Kawasaki Mule at the deer lease once in January, knowing it was going to need a new battery for the following season. Added plain red stabil and ran it around a bit and then threw the tarp on it and went about my way. I returned in September with a new battery, installed it and she fired up instantly. And more recently I added Stabil 365 to my boats tank in early November and then got busy with work and life, I did go by and give her a good shake once or twice a week but certainly did not give her the weekly 5 min on the muffs run time that I like to do. Anyways I finally had some time last week so pump the bulb(s) and both motors fire up with zero fanfare.
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Old 03-20-2017, 09:22 AM   #6
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Quote:
Originally Posted by Bayou Dularge View Post
I'm using Sta-Bil along with Seafoam. You see a problem with using both?
No but you will realize more benefit from the Seafoam with a 50 hour or thereabouts heavy dose/decarb than running the prescribed amount all the time. Running good gas from a high volume station and a clean TC W3 such as Pennzoil or Wally World brand is a good start on keeping her clean and running good.
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Old 03-20-2017, 09:23 AM   #7
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If you read the dosage on the labels for the 2 versions, you'll notice that the same amount of the "marine" version will treat 2x the amount of fuel hat the standard red version does. I've used the Stabil 360 over the past 2 winters for storage. Has it done anything more than the Yamaha stuff that I used before that? Or the OMC stuff that I used in my last boats? No way of knowing since there have never been any fuel-related issues w/any of them. For regular use w/E-10 gas, it's a normal dose of StarTron and RingFree Plus for me.
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Old 03-20-2017, 09:58 AM   #8
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The older red stuff is supposed to be used for long term storage, not for engines that are run often. But it won't hurt anything if you were to use it all of the time.

The marine versions have higher concentrations of detergent and anti-corrosion additives, so you don't have to add as much to a large tank of fuel. They also contain an additive that will marginally increase the amount of water that ethanol containing fuel can hold in solution before phase separation occurs. According to their own data, the effect is indeed marginal.

The 360 versions contain a vapor phase anti-corrosion additive that works the same way that fogging an engine would work. Seems like a good idea, but I've seen no data that would indicate it makes things better.

All of the fuel stabilizers contain anti-oxidants and metal inactivators that slow down the formation of gum as components of the fuel age and aggregate together. Almost all of them work and they have been working well for over 40 years. It's not clear whether the newer versions are really better or not.

Seafoam contains only solvents. While it is an excellent carbon remover when used in a concentrated form, I don't see how it can stabilize fuel except by increasing some of the volatile gasoline components that evaporate during storage.
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Old 03-20-2017, 03:20 PM   #9
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When the Sta-Bil "Marine" version was 1st added to the product line I called the parent company Gold Eagle to ask what the difference was. They said essentially the original red type has twice as much stabilizer as the marine type which has other additives DocStressor mentions above, so they recommend red for storage and Marine blue for regular every-fill use.

I always fill with stabilized Valv-tect gas at the dock pumps so I don't worry at all about seasonal stabilizing but do add a bit extra with the last fill before each 6 mo winter storage.
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Old 03-20-2017, 04:38 PM   #10
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Quote:
Originally Posted by HTJ View Post
No but you will realize more benefit from the Seafoam with a 50 hour or thereabouts heavy dose/decarb than running the prescribed amount all the time.
Thanks for the reply.

Would you break this down for me a bit? I'll admit, I'm not following you.
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Old 03-20-2017, 04:45 PM   #11
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Quote:
Originally Posted by Bayou Dularge View Post
I'm using Sta-Bil along with Seafoam. You see a problem with using both?

I'm running a 2 stroke Yamaha 90 hp.


Other than a little smoke it seems to be fine but I'm just wondering.
Do not use seafoam on a regular basis in a two stroke engine. It strips the oil residue off the internal engine components and will damage your engine.

Its fine to use for 45 minute runs periodically but not for regular use.
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Old 03-20-2017, 05:33 PM   #12
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Quote:
Originally Posted by Ironworker View Post
Do not use seafoam on a regular basis in a two stroke engine. It strips the oil residue off the internal engine components and will damage your engine.

Its fine to use for 45 minute runs periodically but not for regular use.
There are tons of threads on all types of boating forums on this topic. A can goes in with every tank on my 2 stroke and it runs flawlessly.

I think the issue is guys who "decarb" their 80s 2 strokes with a 50/50 mix then complain that Seafoam blew up their motor.
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Old 03-20-2017, 06:23 PM   #13
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Quote:
Originally Posted by Ironworker View Post
Do not use seafoam on a regular basis in a two stroke engine. It strips the oil residue off the internal engine components and will damage your engine.

Its fine to use for 45 minute runs periodically but not for regular use.
Not to be a know it all but I disagree with this.
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Old 03-20-2017, 06:24 PM   #14
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Quote:
Originally Posted by Cobia 217 View Post
If you read the dosage on the labels for the 2 versions, you'll notice that the same amount of the "marine" version will treat 2x the amount of fuel hat the standard red version does. I've used the Stabil 360 over the past 2 winters for storage. Has it done anything more than the Yamaha stuff that I used before that? Or the OMC stuff that I used in my last boats? No way of knowing since there have never been any fuel-related issues w/any of them. For regular use w/E-10 gas, it's a normal dose of StarTron and RingFree Plus for me.
I do this. Stabil red, seafoam and startron. I dose a bit lower and do it every tank. To me it's worth it.
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Old 03-20-2017, 06:43 PM   #15
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Used StarTron regularly during the season and the red Stabil for winter layup in a pair of 225HP Honda 4S and they start right up first time each spring. Don't know if the engines are that good or the additives but no fuel problems ever.
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Old 03-20-2017, 06:54 PM   #16
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I appreciate all the responses.

I typically throw a can of Seafoam in when I fill up. Never had a problem but I thought I'd ask the question.

I'm interested in any other responses. Thanjs
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Old 03-20-2017, 06:58 PM   #17
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Quote:
Originally Posted by Bayou Dularge View Post
I appreciate all the responses.

I typically throw a can of Seafoam in when I fill up. Never had a problem but I thought I'd ask the question.

I'm interested in any other responses. Thanjs
Doesn't Sea Foam say it is also a fuel stabilizer? And if you put a can in at every fill up, your fuel should be pretty well stabilized. Well, that would be my thinking. I use StarTron at every fill up and it's a stabilizer as well.
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Old 03-20-2017, 07:27 PM   #18
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Before you listen to anyone,What is your goal by adding sta-bil? I use to private label about 6,000 gallons of stabil a year. Been to all the factories that produce this and similar products. Seen the real lab results, so I like to think I kinda know a little bit.
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Old 03-20-2017, 07:50 PM   #19
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OP I am the original Seafoam fan but not for an every tank use.

Every 50 hours or thereabouts dump out your fuel/water seperator and put a can of Seafoam in the filter. If your a premix guy then give it a splash of TC W3. Pump the bulb back hard and crank her up on the muffs. In 5 minutes or so it will start smoking like the world is on fire. Shut her down and let it set for 20 minutes and then crank her back up and let it run another 4 -5 minutes and shut it down for another 20 minute soak. Repeat this cycle 3 - 5 times and take note of any gray splooge coming out of the prop hub - thats the carbon that all smokers build up. Now drop it in the water and go for a run to include a WOT burst or 2. You should have a happier and smoother running engine.
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Old 03-20-2017, 08:01 PM   #20
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Quote:
Originally Posted by WPBTH View Post
Before you listen to anyone,What is your goal by adding sta-bil? I use to private label about 6,000 gallons of stabil a year. Been to all the factories that produce this and similar products. Seen the real lab results, so I like to think I kinda know a little bit.
I fish "when I can". That means my boat can sit for 9 months with a full tank of gas, outside without the engine being cranked. I use non ethanol gas.

I've got a job that can put me on the road for 6+ months with no home time.

I want my boat's fuel to be ready when I'm ready.

That's why I use Stabil and Seafoam. Down here, using both is sort of expected.

Thanks.
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