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I have a simlar issue. My car is Hillborn Injected which has its own pump driven by belt at the front of the engine, and sucks from the tank directly. I get surge around sweeping corners, or uphill when racing if the tank gets much below half full.
I was thinking about installing a tank as you describe, and letting the Hillborn pump suck from the surge tank, but... What do I use to provide enough fuel to supply the surge tank at as rapid a rate as the Hillborn pump takes it out? The Hillborn system takes a lot of extra fuel and returns to the tank, so potentially is pumping very fast (and up to the requirements of 600 - 700HP).
What is the answer? two pumps into a rear surge tank with an overflow back to the main tank? .
I have had a suggestion of feeding the return line back to the surge tank, but that must return warm fuel, and potentially under full throttle for prolonged periods wont return enough to keep the surge tank full?
Anyone had any experience in Hillborn systems?
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