Hi my name is james. just ordered a hho generator from e-bay and I need to know what else I need to make it work. ( HHO HYDROGEN GENERATOR Starter Cell 045 Unit & Basic Hook... the ball jar type. I have a 2007 chevy cobalt LS with a 2.2 eng. I don't know if I need a efie or some kind of power chip. Was very glad to find this site. Thanks for all the help you can give.