Seafoam

SouthArk370Z

While the Seafoam procedure shown in the video may be great for engines in distress, I don't think it's necessary for routine maintenance. That little bit of carbon that was removed in the video isn't going to make that much difference. Most of the good probably comes from cleaning the TB. Might be helpful for manifold/valve deposits in direct injection engines. YMMV

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Jimbo370

Isn't it just lot of ethanol. I have used it and it seems to make the car run smoother in a Toyota with 185k miles but look out rubber

TexasChuck

I'm just glad to see this guy is doing something. Most mfg'ers claims (not just automotive " are misleading at best.

DEpointfive0

I doubt it. And I don't use it in the oil, so no worries there

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SouthArk370Z

According to their web site, there is <25% isopropanol (rubbing alcohol) in Seafoam Spray. The main ingredient (<95%) is "hydrocarbon blend" (proprietary formula). The rest is 3-5% carbon dioxide (propellant).

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DEpointfive0

Very true, but at least it shows that the product DOES work, and within 5 minutes

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nis350

Agree. Used this on a high mileage Honda with occasional knocking due to carbon buildup, but prefer to just use Lucas oil treatment every few thousand miles instead.

It creates lot of smoke, but mostly from burning the seafoam. One way is to suck it in via the vacuum hose, but be careful only with very small amount at a time. you might also get warning light due to mis-firing and knocking during the process.