Originally Posted by Ænema
Why not just run a single LARGE in tank pump? Running 3 pumps and mulpile pressure regulaters seems overly complicated to me.
You'd be surprised at to how few aftermarket pumps are designed to support high flow AND high pressure for sustained use. And those that are, are way too loud to use in a street car. Therein lies the need to use multiple pumps in series. The primary pump we use in my own car is a 1200HP Prodigy digital fuel pump FuelLab. By their own admission, during a talk we had with them at SEMA, it would not have lasted long in an application that runs 72psi static.