Quote Originally Posted by Bugman Jeff View Post
How many millions of cars go how many millions of miles on the cheapest gas possible? Modern fuel is already so full of detergents that anything extra is largely a waste. Fuel related buildup just isn't an issue worth worrying about.

It's knock retard I am concerned about. So that's why I run Shell fuel. It seems to consistently give less KR with anyone I know that datalogs.