Description

This PF4 Kit is an economical EFI solution ideal for legacy Pro-Flo EFI users or those with an existing yet poor-performing competitor EFI looking to convert to PF4 EFI. For use on any application where Edelbrock offers a PF4 distributor.The Pro-Flo 4 Standalone ECU and Harness Kit (PN 35721) provides an economical EFI system solution ideal for legacy Pro-Flo EFI system users or those with an existing yet poor-performing competitor EFI system looking to convert to PF4 EFI. This kit can be used with any application for which Edelbrock offers a Pro-Flo 4 Distributor. &#x0D &#x0D The Standalone EFI kit comprises the ECUsupporting sensorsa wide-band O2 sensorand the wiring harness. The ECU controls both fuel and spark and includes a learning capability feature that adjusts the fuel injection calibration to maintain the specified target air-fuel ratio. Minimal setup and tuning adjustments are required with Edelbrockâ??s E-Tuner Software for IOS and Android tablets and cell phones. The software includes base calibrations for most applications and necessary adjustments for AFR targetignition curveidle speedacceleration tuningcoolant fansrev limiteretc.&#x0D The customer must purchase a Pro-Flo distributor (specific to the application) and provide the induction systemEFI manifoldthrottle body1-bar MAP sensorfuel railsinjectorspumpregulatorand lines. Users must refer to the Calibration Matrix in the instructions for the required injector sizedepending on engine cubic inches and HP requirements. Required injector sizes 29 lb./hr.35 lb./hr.42 lb./hr.and 60 lb./hr. Compatibility with forced induction applications requires 80 lb./hr. injectors and a 2-bar MAP sensor.