I'm trying to get more power from my 25cc Homelite engine. I've been kicking around the idea of adding nitrous oxide. You can get small N2O cylinders the size of a CO2 cylinder that a BB gun uses. Plumbing it wouldn't really be that hard, you could use a small gas solenoid, the type they use for turbines to control the flow. A channel could be set up to give you a boost when needed. I'm not worried about melting a hole in the piston, as I picked this engine out of the trash. Ever been done before?

Jeff