In general, what are the best ingredients you want to see in a fuel injector/system cleaner for best results - alcohols, pet. distillates, poly-amine(?), jet fuel, light oils, detergents...? there are just SOOO many products of this kind out there, I'm trying to figure out which one is best, including those that may not originally be designed as a fuel system cleaner (ie ATF and MMO mix....)