One thing that is funny is that in that long post i totally disregarded the fact that the 370z is a returnless fuel car from the factory... so this makes the restrictions in the fuel plumbing a compounding issue. Since the pressure is being regulated inside the fuel pump housing, the regulator doesnt even allow you to squeeze the most out of your pump because its essentially being volume regulated.
with a return system where the regulating is done off the rails, the regulator will at least allow the volume to increase to everything the pumps got!
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