Take Charge - Engine Supercharging
As supercharger boost is increased, more fuel is required. This fuel-management unit (FMU) signals boost pressure and, on demand, allows more fuel pressure to pass from the pump in proportion to boost pressure. This one is from Vortech Engineering and is available in 4:1 through 12:1 ratio increases. As an example, a 4:1 FMU increases fuel pressure 4 psi for every pound of boost.
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