Nah, it won't foul your plugs by doing it more, if it was going to foul them it would do it the first time. A little WOT fun after the treatment will clean them right off.

 

There are tons of threads with information on seafoam. You should check some of those out.

 

Just wanted to check in and let everyone know that i treated it with the sea foam then drove it for about 2 days and then changed the oil as well and between the 2 my rig is running alot better. Now i just gotta change the o2 sensor that had went bad a couple of weeks ago and all should be well until i tackle the seeping at the transfer case and front diff.

 

I did a seafoam gas tank treatment and had no issues. I will probably run it through with my next oil change.

 

Running it in the gas gives you a fraction of the benefits of running it in the intake. Thats where it really does the magic.

Also don't run it in the oil, not a fan of that.

 

i ran a can and a half through the intake and the leftover can through the gas. I changed the oil cause it was dirty and overdue

Now i have an extra can layin around the house, what should i do with it hmm?

 

If you have anymore split it between more intake treatments and in the gas IMO or use it in another car.

 

That's good to know about the intake working the best.

 

The motor vac treatment would be the best thing. 100bucks but well worth it.

 

ehhh... read up on the motorvac thing before doing it. I have read some bad things about it.

 

Such as? I have read some bad things about seafoam as well, but it still works great for me.

I have heard bad things about E85, but it is still a great fuel.

I have heard bad things about synthetic oil but its still far and away better then any dyno oil could hope to be.

Just because a few have had problems doesn't mean A: that whatever they think caused the problem was actually the problem and B: that it is bad.

 

I failed a smog two years ago so my old man told me to try some sea foam. I threw a bottle in a fresh tank oh 91 octane and BOOM passed with some of the lowest emissions I have ever seen. People can say what they will but Im sold.

 

Look, I am not saying that it is hands down bad and should not be done. I am just saying that I have heard some arguments for why it is bad and folks should do their own research before doing it to their car so they know the potential risks.

I suppose I could've googled it for a while and found some sources to cite, but I didn't feel like doing that, so I simply gave an opposing viewpoint to the statement "The motor vac treatment would be the best thing. 100bucks but well worth it." If we're going to have unqualified blanket statements, we might as well have both sides.

 

Yeah but i can list a lot of reasons why it is good.

It improves gas mileage (saw about a 1-1.5mpg gain after the treatment)

It cleans out the top end of the engine

It cleans out the injectors

It improves compression (I tested this back to back after the treatment)

It improves vacuum (another indication of it improving compression and internal sealing which i also saw proof of before/after)

Improves throttle response

Improves Power

So i listed out some hard facts that it helps, All from personal experience on 2 cars. So what are some things that is hurts?

 

Doing a Seafoam treatment: Doesn't it screw with O2 sensors? Cats?

 

Never had a problem with any of my cars.

 

In the past I just ran Seafoam through the gas tank....

 

I have heard that breaking the carbon up in the engine and sending out the exhaust can foul your cat and O2 sensor. I havn't seen any real evidence that this is true though. My cat was borderline when I bought it (P0420 code every little bit), and after I have done seafoam a couple times, it is still borderline, throwing an 0420 every couple weeks or so. Might actually be less frequent than at first.

It does seem reasonable though to think that all that additional material in the exhaust could foul at least the O2 sensor. I guess it's a potential risk, but I would guess that it is a low risk.

 

It is possible but like you said i have not seen this happen personally. Generally a nice spirited drive after the treatment will get the cats glowing nicely and burn off anything that might have built up on it. They can get cooking at well over 1500 degrees easy.

 

Any one know if you can use the seafoam rx on a turbo motor or will it mess up the turbo??