Many automotive suppliers have several different fuel pressure regulators that are adjustable and restrict flow down to the 1-2 psi range, although most regulators deal with much higher pressures. Many suitable pressure regulators can be found at http://www.jegs.com Be sure to see our Compatible Fuel Systems diagram on the main AeroCarb/AeroInjector page to see if you need a fuel pressure regulator. Whenever possible, we recommend eliminating fuel pumps and the need for regulators in favor of gravity feed.
Gravity has never failed us. In all cases, aircraft builders should strive to make aircraft engine and AeroCarb/AeroInjector installations as simple as possible, eliminating all unneccesary equipment wherever possible. More.
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