Please Do NOT do this![chair]You should see no difference in milage. only a bigger dent in your wallet. If you are looking for some bang for the buck in all categories try adding some sea foam to your gas. Its the white metal can with red labeling (~$8). You can also fog the engine to clean the top of the valves and the back side of the throttle plate. This will also create one hell of a fog show and most likely kill all the mosquitos in your neighborhood.
not to be a smart [bootyshak but could you show where this was proven? i kinda want to try if this is the caseHigher octane fuels keep your valves cleaner because the addtives used to increase the octane are the same thing used in fuel system cleaners it has been proven. Its not really a dent in your wallet its actually cheaper than buying an additive and pouring it in. A full fillup in my 2010 only yeilds about 3 dollars more per fill up to use High octane. it costs about 20-30 cents more per gallon over regular fuel. so think if you get ten gallons of gas which is about a typically fill up thats only 2-3 dollars more! that vs $5+ for a fuel additive
This is the issue.not to be a smart [bootyshak but could you show where this was proven? i kinda want to try if this is the case