#38, "RE: Megasquirt/ big turbo users.." In response to In response to 6
You can run up to 4 peak & hold (2.5/3 Ohm) injectors without the flyback board. If your injectors measure more like 1.5 Ohms then go ahead and use the flyback board.
I'm running 720cc RC Engineering peak & hold injectors no problem.