Hi I suggest you take one of the existing engine cfg files maybe from the Citation and work up from there. I am only guessing here but if you are using a turbojet and don’t need an N2, you will have to use some custom coding in your engine gauges to account for it. In other words you might still have to have a N2 value in the CFG to get the engine to run but not actually show an N2 value in the gauges. I’m not a programmer though. I’m only guessing based off what my programmer mentioned about using an N3 value since I’m building a plane with RR engines.