mustang5_0gt

Just wanting 2 know what size pump i should run. I was gonna go with 255lph i have 30lbers installed right now but im gonna take them out i think cuz they are 2 big for my setup. So im gonna stick with the 19ers

grumpyphillips

Just stick with the 255 if you already have it. Remember the 5.0 is a return-style fuel system, so the injectors will use the fuel they need and send the rest back to the tank.