I'm running a br800 Stihl 4-mix blower with Saber 50:1 in non-ethanol 90 octane. I have no clue as to the detergents in the gas as it comes from the local Valero station and this is my first purchase from that station. Your thoughts, please, as to how Techron fuel system cleaner might affect the cleanliness of the combustion chamber and the overall "runability".