Thread: Tried Seafoam on my car with no smoke? did i do it right?

Originally Posted by UR LOSN

The liquid coming out of the exhaust pipes...is just plain old water. Its just the catalytic converter....doing its job

I would put Seafoam into the gas tank to help clean out the injectors...

So I gotta ?... Does this ruin the fuel then? Do you have to put new fuel in and flush the tank? Just really curious and possibly might try it.

Originally Posted by JoshMcMadMac

It can be debated, but I have run it on cars for the first time and made enough smoke to engulf a two-story house. Doing the same thing one year later, the smoke was very minimal. I fail to see any other contribution to the smoke other than build-up in the engine. I have never seen smoke made when adding half of a can to an almost empty tank of gas, or adding it to the oil just before a change.

I also know a guy that gets similar results using water.

So since you got some expierence... Is there anything wrong with doing this? Does it harm the engine? Is there ANY reason you wouldn't do this to a car? I own a 2001 Grand Prix GTP. No mods to the engine.