Additives of all types are really just intended to protect the fuel tank itself right? I'm actually more concerned with protecting the vacuum petcock and carburetor rubber components. Since I do not know or trust how additives react with todays fuel or the components. I simply just put ethanol free premium in the tank and leave the carbs empty. Drains out.
I occasionally do a startup through out the winter and then drain the bowls again..
I occasionally do a startup through out the winter and then drain the bowls again..