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+1 for that stuff, i know a few people who swear by it. Don't need to use it as often as 2500 mi. I do it every time winter and summer comes around.
Originally Posted by 1SickSC
seafoam?..
Seafoam is good, but not a full fledged injector cleaner. Injector Cleaner is more concentrated formula that seafoam is. I would use seafoam in the engine oil and intake manifold and then run that with chevron.