[bremillard]

HPDrifter pretty much summed up why the need for what is seemingly overkill but he left out one point. When the car accellerates the fuel in the lines must overcome the rearward inertia of the accelleration. (You feel it as extra weight in your seat) That is why the need for high pressure up to the regulator with the regulator being as close to the carb as possible -Bob