Holley fuel pressure regulator manual

 · - Typical fuel system pressure for MPFI should be be psi. - Set Fuel Pressure regulator to a value which measures within this range. - Input that value into Engine Parameters/Actual System Pressure field of the EFI software. - EFI system will adjust pulse-width based on that known value and other modifiers. Also, thanks for your patience. EFI Fuel Regulator Black 3/8” NPT Ports 60 PSI PSI Carbureted Fuel Regulator Black 3/8” NPT Ports 6 PSI PSI INTRODUCTION: Congratulations on your purchase of the Holley Fuel Pressure Regulator! Holley Performance Products cannot and will not be. The electric fuel pump in my car, with 10 lbs. of pressure, was overpowering the needle and seats of the carburetor. The Holley fuel pressure regulator was easy to install and easy to adjust. Out of the box psi, approx. 7 lbs. I adjusted to 5 1/2 lbs. with no problem. Car runs great/5().

Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory so there is no guesswork when first installing the regulator. The Holley fuel pressure regulator features 3/8" NPT in/out ports. Always use a fuel pressure gauge, such as Holley® P/N , between the regulator and carburetor when setting fuel pressure. NOTE: Holley Volumax™ fuel pumps have a fuel return line port. This return line back to the fuel tank MUST be used or excessive fuel pressure will result. FUEL PRESSURE REGULATORS The needle and seat assemblies that are installed in Holley performance car-buretors can satisfactorily control fuel pressure up to about 8 PSI. If the fuel pump is putting out more than 8 PSI, a regulator should be used to keep the fuel pressure within safe limits and avoid the possibility of flooding. Holley.

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