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As a veteran master technician who has seen and repaired countless automotive failures, Jim Hetherington isn’t quick to believe in simple fixes without thorough evaluation. So when Sea Foam hired the Twin Cities-based consultant to test Sea Foam Spray, claiming the product could resolve problems tied to the notorious buildup of carbon deposits in gasoline […]

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A quick visual lesson on gasoline

Question:  What’s in the 3 jars?
Answer:  Untreated E-0 gasoline.


Why the difference?

The difference between the 3 jars in the photo is the age and stability of the gasoline.  Each jar contains E-0 gasoline (has zero percent ethyl alcohol) drawn from three different outboard engine tanks.  The clear gasoline in Jar #1 is fresh and stable while Jars #2 […]

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Sea Foam Official video: Tips for your snow blower

Here are some quick tips to help ensure that our snow blowers start fast, run smooth, and always have plenty of power to get the job done!


Snow Blower Tip #1  Add Sea Foam to every fresh tank of fuel

Unprotected gasoline degrades quickly and snow blowers often go several weeks without use.  By adding Sea Foam to every […]


Sea Foam Official video: How Engines Work – Gasoline fuel injection Port and GDI

Sea Foam’s Youtube channel, Sea Foam Official, has a new animation theme called How Engines Work.  If you drive a gasoline car or truck, check out this video on how Port or GDI fuel injection systems work.  Stay tuned for more videos on how all the different types of gasoline and diesel engines work.

Watch the […]

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Anyone in the engine fix business can relate to the challenges of describing how certain stuff works.  We’ve learned that diagrams and specialized application instructions can go a long way when helping our customers!

Sea Foam’s HOW 2 Instructions file library was created as a 24/7 resource for helping customers with product questions.  Use to find helpful descriptions, instructions and diagrams […]

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Sea Foam Official Video: How to clean diesel fuel injectors without removing parts



Preparation and Instructions:

Getting started: Add a cleaning dosage of Sea Foam Motor Treatment to the fuel tank.

Start and warm up the engine to operating temperature, then shut off.
Remove the primary fuel filter and drain the filter/filter housing. Though it’s not required, we recommend installing a new filter.
Depending […]

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Sea Foam Official Video: How to add Sea Foam Motor Treatment to crankcase oil

Preparation and Instructions:

Add 1 ounce to 1.5 ounces of Sea Foam Motor Treatment per oil quart for all 4-cycle gasoline and diesel engines.
When ready, remove oil filler cap and simply pour the recommended amount of Sea Foam Motor Treatment directly into the engine crankcase.  Use a funnel if needed.  Do not exceed one treatment per oil […]

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Sea Foam Official Video: How to clean a boat engine’s top end with Sea Foam Motor Treatment – filter change method

Brian from Sea Foam shows how to clean the top end of a boat engine and replace the fuel filter at the same time.

Most marine engine manufacturers recommend replacing fuel filters every year.  Here’s a way to replace those new filters with a twist:

Before attaching the new filter, pour Sea Foam into the filter to deliver a […]

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Sea Foam Official Video: How much Sea Foam should I add to fuel?

Brian from Sea Foam Official explains the difference between adding Sea Foam Motor Treatment for maintenance and cleaning, then shows how to apply.

Video Features:

Explains the difference between maintenance and cleaning dosages,
Stabilize fuel,
Clean deposits,
Moisture control, and
Lubricating upper cylinders

Remember: Engines that Start Easier, Run Cleaner, and Rum Smoother will Last Longer!

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“After using Sea Foam Motor Treatment…”

I’d just like to drop you guys an email thanking you for a terrific product!

The photo shows a LQ4 / 6.0 Vortec rebuild project after pulling from a 2005 2500HD Silverado.

After using Sea Foam Motor Treatment I took pictures of the pistons (during disassembly) after wiping them with paper towels.  All I did was wipe them with absolutely no […]