
Directions
- Determine how much Sea Foam to add to oil. Add 1 ounce for each quart of oil in the crankcase.
- Remove oil filler cap and pour the recommended amount of Sea Foam directly into the engine crankcase. ...
- Drive 100 to 300 miles before every oil and filter change for best cleaning results, though Sea Foam can be added at any time between oil changes.
Does sea foam motor treatment really work?
Yes, seafoam is a good fuel injector cleaner. You can pour Sea Foam Motor Treatment into your fuel tank (1 oz per gallon of fuel) directly to add lubrication. Control moisture and stabilize your fuel. Also, note that it works perfectly well with both gas and diesel engines.
Is Seafoam a good product?
The effectiveness of the product should also be considered – some products work faster than others so choose based on what you need. For example, Seafoam works slowly to dissolve buildup whereas Techron acts immediately. The choice between these two types of fuel additives definitely comes down to personal preference.
Is Seafoam better than stabil?
Yes, you can use both products together. You should not mix the two in a single tank of gas because it will cause engine damage. Seafoam is used to clean engines, and Stabil is an octane booster that helps your car run better on lower-quality fuel.
What does Seafoam do for engine?
Possible Improvements With Seafoam
- Better Fuel Efficiency. If you are using the seafoam to clean the crankcase, you might get improved fuel efficiency because of lesser friction.
- Quieter & Healthier Engine. Without oil sludge and build-up, your engine component will get more lubrication and better oil pressure, and this will, therefore, give you a much quieter ...
- Reduced Emissions. ...

Where do you put Sea Foam Motor Treatment?
1:412:43Intro to Sea Foam Motor Treatment - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo is always safe on engine parts and components. In oil when added to an engines oil crankcaseMoreSo is always safe on engine parts and components. In oil when added to an engines oil crankcase seafoam motor treatment works to clean and liquefy heavier oil forms.
What is the best way to use Sea Foam?
How To Use Sea FoamPop the cap on the oil filler neck. You can add Sea Foam before or after an oil change.Pour up to 1 ounce of Sea Foam per quart of oil into the engine. We used about ½ of the bottle.One bottle treats up to 16 gallons of fuel. We poured in 1/2 of the bottle to make this a one-bottle job.
Do you put Sea Foam in before or after gas?
Drive the vehicle.As you drive, the Seafoam should mix into the gasoline, improving the quality of the gasoline and cleaning the fuel injectors at the same time.Try to run this tank of gasoline until the vehicle is nearly empty to maximize the effectiveness of the Seafoam.More items...
How do you Sea Foam a motor?
2:2010:12Seafoam--can't believe what it did to my engine!! - YouTubeYouTubeStart of suggested clipEnd of suggested clipInto the crankcase. The next step is to put the seafoam spray into the top of the engine. And asMoreInto the crankcase. The next step is to put the seafoam spray into the top of the engine. And as it's running and according to instructions I'm supposed to run the engine.
How long does it take for Sea Foam to work?
#1 Stabilize your Stored Fuel – Use Sea Foam Motor Treatment Unprotected fuel exposed to oxygen will start to lose its freshness in less than 30 days. Immediately treat any fuel that may not be replenished within 30 days. For fuel storage up to two years, add 1 ounce of Sea Foam per gallon of fuel.
Can you put Sea Foam in your vacuum line?
0:066:32How to use Seafoam through a vacuum line - YouTubeYouTubeStart of suggested clipEnd of suggested clipNow seafoam can be really helpful to clean deposits. And the valves and everything. And you oh youMoreNow seafoam can be really helpful to clean deposits. And the valves and everything. And you oh you want to dump some into your gas tank because it'll help clean out your injectors.
What happens if you put too much Sea Foam in your gas tank?
Without this rich flow of oil, the engine's parts may create a lot of friction and lead to plenty of problems. Spraying too much Seafoam may also clog your vehicle's vacuum system. This means that more clogs may occur as a result.
Can I just pour Sea Foam into my gas tank?
0:192:35How much Sea Foam should I add to fuel? - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd deposits from forming in a fuel system whether gas or ethanol or diesel fuel sea foamsMoreAnd deposits from forming in a fuel system whether gas or ethanol or diesel fuel sea foams maintenance recommendation is one ounce per gallon poured into your tank.
How much Sea Foam should I put in my gas tank?
For regular fuel system maintenance, add 1 ounce per gallon. For cleaning, use 2 or more ounces per gallon – the more you add to fuel, the better it cleans! Add when the tank is low to maximize cleaning concentration. For injector cleaning machines, use 50/50 mixed with gas.
Should I use Sea Foam before or after oil change?
Note: Though Sea Foam can be added at any time between oil change intervals, we recommend adding Sea Foam to an oil crankcase 100 to 300 drive miles before changing oil and filter.
Should I add Sea Foam to my oil?
Add Sea Foam to your oil crankcase – Super easy! Added to oil, Sea Foam liquefies heavier petroleum residues and deposits back into the fluid so everything drains away when it's time to replace oil and filter. Pour it in every oil-change interval to keep oil flow passageways cleaner and help the engine last longer!
When can you add sea foam to oil?
Sea Foam can be added at any time during the oil interval.
Why put sea foam in fuel tank?
Pour Sea Foam in your fuel tank to clean & lubricate your entire fuel system. Safe & effective when used in all gasoline or diesel engines – just pour it in! Sea Foam cleans harmful residues & deposits that can restrict oil flow & engine lubrication. Safe for all motor oils, conventional & synthetic.
How to stabilize fuel for storage?
Just remove oil filler cap and pour directly into the crankcase. To stabilize fuel for storage, add 1 ounce per gallon of fuel. After stabilizing fuel, run the engine long enough for the treated fuel to work all the way through fuel injectors or carburetor passageways.
Does sea foam damage engine components?
Don’t worry if you exceed these amounts: Sea Foam only contains petroleum-based cleaning and lubricating ingredients that CAN’T HARM your engine or fuel system components.
How to use seafoam in a car?
Go to the gas station and fill the vehicle's gas tank with high octane gasoline. When filling the tank, make sure that you leave enough room in the tank to add the calculated amount of Seafoam afterward. While Seafoam can technically be used with any octane gas, it is recommended that you use it with 91 octane or higher.
How to pour seafoam into vacuum hose?
Slowly pour Seafoam into the vacuum hose. Carefully pour one-third to one-half of the bottle directly into the detached hose.
How long does it take for seafoam to sink into a car?
6. Let the engine sit. As soon as you finish pouring Seafoam into the vacuum hose, turn off the engine and allow the car to sit for 10 to 30 minutes. The longer you wait, the deeper the Seafoam will sink into the engine.
What is seafoam used for?
Seafoam serves a variety of automotive purposes. You can use it to remove buildup in the engine, fuel injectors, or oil system. Make sure that you know how much to add, though, since adding too much can cause more harm than good. Steps.
How to get vacuum line to work on a car?
On most vehicles, the best option will be the vacuum line from the brake booster PCV. Since different vehicles are set up in different ways, you may need to choose a different option.
How to stop smoke in car?
1. Warm up the engine. Park the car in a well-ventilated area and start the engine. Let the engine warm to operating temperatures. You must do this while the car is in a well-ventilated area since the process will usually create a lot of smoke. Vehicles with automatic transmission should be kept in park.
Can you draw seafoam into a hose?
The manufacturer recommends against the practice of drawing Seafoam into the hose using suction.
How to use sea foam for motors?
Sea Foam Motor Treatment can be used in three ways: in the crankcase, in the fuel tank, and in the diesel fuel filter. For cleaning the top end, use Sea Foam Spray as directed.
What is sea foam used for?
Sea Foam has been around for over 70 years, and it’s one of the most trusted treatments for all engines. While the company makes a range of excellent products, the main one is Sea Foam Motor Treatment. Sea Foam is specially formulated to safely and slowly re-liquify gum, sludge, varnish and carbon deposits from the hard parts in your engine so they ...
Why do we use sea foam in fuel tanks?
Sea Foam helps lubricate the moving parts, particularly in the fuel system . Ethanol additives dry out the seals and leave a varnish that makes it harder for oil to lubricate the parts. Removing this varnish brings the engine back into top working order. Inside the fuel tank, Sea Foam absorbs water, allowing it to be burned up in the combustion chamber without issue.
What causes hot spots on engine pistons?
If the valves don’t move freely, your engine’s breathing is then greatly hampered. Carbon deposits on pistons and valves can lead to hot spots, which cause detonations, and then lowers your engine’s performance. The trick is: how do you clean? Virtually every engine, from two-stroke lawnmowers to big rig diesels face the same problem.
How long to hot soak a car?
Shut the engine off and allow it to “Hot Soak” for 15 minutes. After the Hot Soak period restart the engine and road test the vehicle aggressively until the exhaust is clean (a road test normally means driving for 8 to 16 kilometres). Easy-to-follow directions are also available right on the Sea Foam Spray container.
What happens to the internal parts of an engine?
Over time, the internal parts of your engine get clogged up with all kinds of nasty stuff. Inside the crankcase, where the oil lives, varnish and tar build up on the surfaces of pistons, rings, and lifters, as well as in the oil galleries that supply oil to all the components. This lowers the engine’s ability to cool and lubricate itself, reducing the efficiency, performance, and life of the engine. (Find out more ways you’re shortening the life of your car .)
How much fuel does a can of ice cream treat?
A single can treats up to 60.6 litres of fuel. This will remove deposits from the fuel pump, injectors or carb jets, control the moisture level, and stabilize the fuel. In diesel engines, it will serve as a de-icing agent since it has anti-gel properties.
What is sea foam spray?
Sea Foam Spray is a blend of cleaning and lubricating petroleum ingredients that can be used SAFELY in all types of 2 and 4 stroke gasoline engines. Especially important for modern GDI engines, it cleans critical upper engine areas where fuel cleaners can’t reach.
How long to soak a car engine?
Spray a long burst, shut off engine and allow to hot soak for 10 minutes.
How long to soak a car under engine load?
With engine turned off, re-secure the intake boot onto the throttle body and allow engine to hot soak for 10 minutes. After hot soak, start and drive the vehicle under engine load for 10 minutes or longer.
How to clean a carburetor throat?
Remove air filter to access carburetor throat. With air filter removed, start engine and place tube nozzle into carburetor throat. Depending on engine size, use 2 to 4 ounces sprayed in bursts to avoid engine stalling. Spray a long burst, shut off engine and allow to hot soak for 10 minutes. After hot soak, start and operate engine ...
What to do after fogging intake?
After fogging the intake, allow engine to cool & remove spark plugs.
Can you spray into a mass air flow sensor?
DO NOT spray into the mass air flow sensor.
Does sea foam spray harm engines?
Sea Foam Spray does NOT contain harsh detergent or abrasive chemicals that can harm your engine or fuel system components. Help your engine run cleaner and last longer!
Family Handyman Approved: Sea Foam Motor Treatment
If you own gasoline-powered vehicles or tools — a lawnmower, snowblower or even a fleet of limousines — Sea Foam is a fuel stabilizer and oil additive you absolutely need to keep all your motors running smoothly.
What is Sea Foam Motor Treatment?
Sea Foam is a petroleum-based cleaner and lubricator that’s safe in all types of two- and four-stroke gasoline and diesel engines. It’s good for your cars and trucks, snow blowers, inboard and outboard motors, motorcycles, snowmobiles and tractors, as well as small engines like lawnmowers, chainsaws, weed whips and leaf blowers.
How We Tested It
Every winter I had trouble starting my snowblower. Even when it started it still ran rough, sputtering, stalling and bogging down. So I began adding Sea Foam to the two-cycle gas and oil mixture. Now it starts on the first pull.
Performance Review
Just to give you an idea of how well this product performs, awhile back I had a check engine light come on in my daughter’s Mini Cooper. I connected my diagnostic tester to download the engine code. The code turned out to be a generic one that could have been several issues, but one of the possibilities was contaminated oil.
What is sea foam spray top engine cleaner?
Sea Foam Spray Top Engine Cleaner & Lube is designed for air intake systems, throttle bodies, carburetor throats, and other fuel system components, removing gunk and deposits in areas that fuel additives can't reach.
Who invented sea foam?
More than 70 years ago, the man behind Sea Foam, Fred Fandrei, saw this problem firsthand when he struggled with an infrequently used outboard motor. Fandrei was a district manager for the Sinclair Refining Company and began to experiment with various formulations that could prevent breakdown of fuel, packaging the product in beer bottles and selling it to other fishermen. In the early '40s, Sea Foam was trademarked and got the endorsements of Evinrude Outboard Motor and Martin Motors.
How does sea foam fuel injector cleaner work?
Sea Foam Fuel Injector Cleaner restores lost miles per gallon and power as it cleans fuel injectors. When used regularly, the fuel injector cleaner will prevent or fix a rough idle or hesitation. For the most cleaning power, add a bottle to your fuel tank when it's about half empty, and then drive at least 20 miles before filling up.
