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How to use Sea Foam?

Proper way to use Sea Foam in your engine

How to use Sea Foam?

Postby Jay09crew [OP] » Jan 13 2013, 6:19am

Question about how to use the Sea Foam in the Oil and in the Gas tank. I have a 09 Silverado 5.3L with 64000 on it I bought it with 51000 on it. I have never done Sea Foam in the oil or the Gas tank. What is suggested for use, (amount, often and time to leave it in the oil). I’m also thinking of adding it to the gas, I live and Forest lake and drive to Richfield daily (about 65 miles a day) sense I bought the truck I have always filed it up with Kwik trip gas (top tier gas). I have read a few post on here that adding Sea Foam to the gas when it was never used can be bad (any thoughts or recommended how to use).

Thanks in advance for everyone’s help.
09 Silverado Crew Z71
2" RC leveling kit
285/65/16 BFG AT KO's
18X9 MB TKO
Magnaflow exhaust duels out the back
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Re: How to use Sea Foam?

Postby EKinMN » Jan 13 2013, 2:38pm

To do a complete Sea Foaming of your engine, do the following:

1. Add 1/3 of a can of Sea Foam to your gas tank. Do this about a week or so before you plan to do an oil change.
2. Use 1/3 of a can of Sea Foam, inducted into a vacuum line, such as a brake booster (see the first link below)
3. Use 1/3 of a can of Sea Foam in your oil (see second link, below)

Brake booster line for sea foam? See pic.
Seafoaming my truck???
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Re: How to use Sea Foam?

Postby MH Hawker » Jan 13 2013, 2:54pm

I have been using sea foam in my gas for years, its a 1 oz to a gallon mix to keep the fuel system nice and clean, including injectors lines, it also removes carbon build up, it was originally formulated for 2 stroke motors. I have been using it in my boat motors for years. and it also stabilizes the gas for long term storage the 1 oz to a gallon mix is good for 1 year and a 2 oz to a gallon mix is good for 2 years
2005 and still going strong

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Re: How to use Sea Foam?

Postby rodcheapo » Jan 13 2013, 8:23pm

Good links, just make sure you don't leave it in your crankcase too long and you'll be fine. I idle mine for 15 minutes and then drain the oil and perform a standard change. Done this on the last two intervals and it really smoothed out the idle.
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Re: How to use Sea Foam?

Postby EKinMN » Jan 13 2013, 11:47pm

Same here. I only idle with it in the oil...I never drive it. I did drive with it in the oil of my Dodge for about 20 miles, due to significant sludge. The engine is still great, but I had an O2 sensor quit about a week later. Might have been coincidence, though.
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Re: How to use Sea Foam?

Postby l. fopps » Jan 28 2013, 9:21pm

EKinMN wrote:To do a complete Sea Foaming of your engine, do the following:

1. Add 1/3 of a can of Sea Foam to your gas tank. Do this about a week or so before you plan to do an oil change.
2. Use 1/3 of a can of Sea Foam, inducted into a vacuum line, such as a brake booster (see the first link below)
3. Use 1/3 of a can of Sea Foam in your oil (see second link, below)



Can these all be done at the same time? Or should they be spaced out?
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