I know that everyone says that you need a wideband and such but I'm only using this unit to lean out the car at idle. It runs filthy rich right now, and am wanting to hear from some people what good settings are for a stock motor. I have searched and seen some people with -40%, -35%, etc, but they are all boosted motors. I'm basically just asking for some "safe" limiting (as in, "don't exceed this percentage") settings, like -10% or something.