[Chatbrat]

And if your car doesn't require premium, you might be damaging your engine by using premium--without enough compression to warrant premium, you could have a carbon build up--follow manufactures guidelines, our cars require a minimum of 91 octane

And , detergent guidelines were changed by the EPA,last fall-now almost all gas is considered Top Tier

If you want more detergent in your gas add a can of SeaFoam every 6K miles