Ok so I have heard I should have 50 psi as idle pressure with a 12:1 fmu. I currently have a 225lhp walbro pump and a FMU so what do I need to set that 50 psi idle pressure? I was thinking a new FPR, but I'm not sure, and yes I'm removing the stock FPR. Also what should I set the idle pressure at with a 10:1 FMU?

Thanks,
Chris