Having the two Bergs, a FX450 and the FE570 I have three ECU's. The stock FX, a remapped 570 and the Vortex for the 570. I was running the Vortex on the 450 for the fuel but is rev limited well before what's ideal for the 450.
I just received the EJK tuner by Dobek. Same as the JD tuner I'd...