Thread: Safe to run 90 octane with 10% ethanol in my 3.8 N/A?

Originally Posted by Fivefingerdeathpunch

Adding the seafoam that often is a waste of money. Its really not helping anything, if the filter is new and you've run a cleaner in there before the fuel system should be pretty clean. Gas itself now can cleaning agents in it.

I change my fuel filter every summer since 2010..... So the sea foam is a waste huh...???

a bottle of seafoam lasts me a few months, not mention sometimes I forget to add it in..