Seafoam is a cleaner, you dump (not literally) some in your engine, your motor oil, your gas tank, and watch the carbon deposits in your car go bye bye.
And yes it smells great.
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2002 Honda Accord V6 EX Sedan Bomz Cold Air Intake w/AEM Dryflow NGK Iridium IX Spark Plugs EuroDezigns 6000K High/Low Beams Black Altezza Tailights
I put 1/2 and 1/2 in the gas and intake. Mine smoke for the first 2 revs and then quit. Guess I didnt have much carbon deposits.
Also, you arent supposed to suck it out of the can. Doing so could cause the same effect as hydrolocking if you suck a ton up. I divided the seafoam in two plastic bandable cups and let the hose suck up the seafoam in a constant but slow and small stream.
Did you make sure to let the Seafoam sit for a bit? You should wait 15 minutes to an hour before starting your engine again. As for the hydrolocking, I was well aware of that. I made sure to suck in only a little bit at a time, just gotta be a little cautious is all.
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2002 Honda Accord V6 EX Sedan Bomz Cold Air Intake w/AEM Dryflow NGK Iridium IX Spark Plugs EuroDezigns 6000K High/Low Beams Black Altezza Tailights
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Seafoam! - 
