Sea Foam?

Who has or still uses it? And what is take on it?
Thinking about trying it in my vehicle's.
Thanks for your input.
Sarge

I just put some in a fresh tank of gas for my old Mercury 9.9. I started using it when that old motor was running a little rough, and it sure seemed to help smooth it out.

I have used Sea Foam for years and still use it today. I can't really say because I have never had a motor problem.

I use it on everything. Great stuff! I run some through my outboards during the first and last runs of the year, put it in my chainsaws, zero-turn, tractor, motorcycle, cars, just about everything. Project farm did a video about it. I'll post it if you are interested. He revived an old beat down ranger. It's interesting. I've used it in my stuff for decades and always had great results.

treats gas and cleans/ lubricates

Great stuff for fuel treatment and fickle engines.
Well worth the expense.

I've used a good bit of it. An aquaintance of my Dad's mentioned a while back that his old truck was running rough, and Dad told him to put a can of Sea Foam in it. The next time he saw him he said it cleared it right up.

My old mechanic spoke very highly of it and got me to using it.

Thanks for the videos, Finster. Pretty interesting.

I've used seafoam for a long time, Trucks, wheeler & all small engines. It's only been used in the fuel tank. I truly believe it helps keep the fuel system clean, Never a problem starting small engines with seafoam mixed in.

I put it in my boat tank (80gals) premium, 90 octane 4 years ago and haven’t used the boat since. The can says it’s a fuel stabilizer. I don’t want any damage to my engine, it’s a 200 mercury, that’s why the 90 octane.
Anybody have an opinion if the fuel is still stable or should I use the fuel up in an old vehicle?

I would use it in an older vehicle or, at today's prices, sell the gas and retire.

Thanks your right Finster!

I use it in the fuel all my quads, chainsaws, mowers etc. I’ve never added it to a crankcase.

I have gotten some small engines that were not running carb issues back with use of seafoam

my 88 ranger had sat for a few years when my son bought it , it started but you had to feather the throttle to keep it running

drained the old gas put in 5 gallons new gas with a can of seafaom and it idled fine after running it a while

I haven't used any more seafaom in it since but have used some startron as it sometimes takes me 6 months to use a tank of gas in it , not my daily driver


seafaom to clean and startron to preserve fule

Thanks Pete

I looked up Star Tron and it stabilizes fuel up to 2 years. That’s what I am using when I fill up!

there was good discussion on this in the small engine thread earlier this week it wasn't just my experience whit starting equipment after it sat under snow or for many months.

I'm a Star Tron fan myself.

I use it all the time. Run a can through the trucks now and then. Keeps the injectors clean.
Where I really use it is in my boat motors. 1 ounce per gallon will keep the gas sweet and will keep the pistons from carboning up.
Also, I keep the boat gas year around since I started treating it with Seafoam. What was used last fall is what I start the new season with.

Almost the same. Use it in every tank of real gas all year with no ethanol for all small engines and outboard motors and 4 wheelers and side by side and 5 generators and splitter and rototiller and 30 stihl tools.

Use to use it when all my vehicles were carburated. Worked great. Got away from it when everything started getting injected. Also still use Marvelous Mystery Oil as an additive

I use 100% rec gas in everything besides our on road vehicles, even at $6.09 a gallon. Star Tron at minimum rate with a splash of Marvel Mystery oil. I also have 2, S-10's a 99 Blazer and a 2000 pickup with a snow plow. The Blazer is my go to the cabin 4x4 beater the pickup sits all summer and only plows snow, both of those get a good dose of Marvel Mystery oil, as in tank electric fuel pumps that sit for long periods have a habit of sticking impellers and failure.

I use startron to treat gas when I first get it. That is the gas I use in all my small engines. Instead of seafoam I use Berymans B12, It is about the same as seafoam at half the price.

An elder mechanic's comment on sea foam.
"So, you're adding alcohol to fuel to combat ethanol".

Made me think.

I think Sea Foam stabilizes fuel for up to 2 years also. Pretty sure it says so on the can.

Every small engine I have gets it. 15-20 different motors during the year. Good stuff as far as I’m concerned.

I've never used it as liquid mechanic, but I stabilize all my boat fuel at the end of the season and have never had issues. I use the regular type, but I believe they make a Marine Sea Foam.

that is a good point

it does seem to have good cleaning properties to dissolve the deposits in which is mostly left by the ethanol in a carb
it is mainly isopropyl alcohol https://seafoamworks.com/uploads/public/resource-library/2021/08/SFMT-SDS-CA-ENG-v20210608-sfi.pdf

why startron makes more sense for stabilizing https://assets.unilogcorp.com/187/ITEM/DOC/Star_brite_100044586_SDS.pdf

Right or wrong that is my opinion too, so far.
The sea foam did great cleaning tbi systems for me, 2.

I do recall my high school shop teacher who was mostly against "snake oils" telling us if we needed HEET fuel line dryer buy the Iso heat as Isopropyl alcohol bound to the water and carried it through the engine to be expelled as exhaust

so in that regard seafoam being mainly Isopropyl alcohol does make some sense for cleaning and water removal

Startron for additive is hard to beat. I don’t think I’ve had a carb off since I started using it several years ago. Even had a snowmobile that sat for 3 years in Canada and fired it up. Normally anything over a year, even with sea foam, needed carb cleaned.

I know the guy who owns the company. He is one of the most generous people I have ever known, he gives millions to good conservative and Christian charities and has no interest in being rich himself. Amazing man.

He paid for this boat to benefit Teen Challenge. He also has bought many properties where Teen Challenge campuses now stand. So yes the stuff works, I use both the original stuff and the Marine Pro in outboards. But there are many more reasons for me to feel good about Sea Foam.

Been using it more lately, got a mower thats balky, i'm sure it needs a good carb douching but the seafoam keeps it running pretty good...Apparently you can use it almost straight for really fast results...lol

i did not strait but very heavy in a free poulan chains saw I was given , it would run but just barely ran about 1/3 seafaom to some fuel mixed a touch heavier on oil

I got another 2 years out of that little saw after it was given to me when it wasn't working eventually it was a compression issue that ended it , it didn't have enough any more

Good stuff. Use it in car gas, lawn mower, and to stabilize gas held for extended periods of time.

Dumped a large can in the tank of my '01 S-10 and noticed a definite improvement.

I use it in the boat and my engine has never started easier.
Add extra for the winter and spring startup is much better.

Used to add it to fuel for small engines and OB boat motors. Put a shot into my gasoline generator tank when I drained it. A few months ago I ran it in the fuel of my 3.5 Ford EcoBoost. Not sure if this was good or not, but it seemed to quieten the engine some. Not sure if it is good in direct injection engines.

Added a can to my F-150 with 265,000 on it. Wait and see. Sarge

to the oil or the gas?

what issues was it having ?

Has anybody ever checked mpg to see if it makes a difference?

Yes. I picked up 2 MPG.

Thank you Bob

Also, FYI: My Motorhead buddy warned me about Seafoam in the crankcase, said it might OVER clean the engine to the point that gaskets and seals might start leaking from the crud that's helping seal it being removed.

If I was gonna put it in the crankcase, I would do it just prior to an oil change. What BB said could also be valid….you might be removing gunk that’s keeping things sealed.

Every 100K or so I'd put a qt of kerosene in a hot krank case run it for 5 min, then let it drain overnight,. change filter, then refill with fresh oil. Much the same thing as the sea foam deal.

Added to gas. No major issues. Just thought a little added maintenance wouldnt hurt. She has 265,000 on her and going strong. I keep maticious maintenance.
Sarge

I am a SEA FOAM believer for use in 2 strokes. Just a small amount in a tank fill up on a 4-wheeler or mc.