My engine was getting clunky and getting a case of the shakes.....I have new fuel filters, valves always need adjusting...but I have used in the past seafoam...always got some sort of result....I went and paid 12$ for a can dumped it in the tank and drove for a few miles freeway speed.....man now its quiet and the shakes are gone...just a little hiccup every now and then like it was....no idea of others views....but I like it!

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