Originally Posted by willwren
I doubt you'd get chunks like the old cars did....modern fuels have better detergent. But then again, even small pieces could clog up a good cat or muffler.
Getting the carbon off could take time, but then again, doing it every now and then wouldn't hurt, either. Spray enough in there to ALMOST stall the engine at idle, or rev it up manually and do it.
Wow interesting, where did you connect the injector units for the alcohol/water sprayers at and how often to you spray the motor with it. I might be interested in doing this aswell.