It works for a set optimum range of parameters, but they are very slow to get there. If it trys to tune itself in the morning youll have to redo the procedure later in the day when it warms up. HRC ECUs are made for the parts sold by HRC like their top end kits. Youll buy the cam kit then an HRC ECU to raise the rev limit and adjust fuel for the parts ( even though its very general)