premium unleaded

[DennisAJC]

Originally Posted by HUMTECH

The higher octane in premium fuel only raises the fuels resistance to burn which is why higher compression engines require higher octane. The higher octane value will decrease the chances of preignition(detonation) adds no advantages to A lower compression engine

All I know is interior noise and throttle response among other things are very noticable.

Nothing I would want more than to lower my gas bill. Because of these differences I still use the 94.