Not a great thing for your motor. Its washing the cyl down and you should change oil regul. If i could draw it out i could show you how the big guys are doing it now and cheap. Its only 15 bucks worth of parts at radio shack.But i not to good at this computer stuff.
The big guys are using propane or colemen fluid or gas under pressure.
Becareful as i saw a 12 year old girl get burned at a show one night. Mine are now disconnected.