These new Pro-Flo 4 ECU and Electronics Kits for small or big-block Chevrolet engines offer an economical plug-and-play solution for enthusiasts who want to keep their existing EFI Induction system (intake manifold fuel rails and accessories) but want the performance advantages of the Pro-Flo 4 EFI system. Previously the only option was to buy an entire Pro Flo 4 EFI system leaving unneeded or duplicate parts.

Pro Flo 4 EFI ECU and Electronics kits include supporting sensors a distributor an ECU a wide-band O2 sensor a wiring harness and components for Chevrolet SB and BB applications. This EFI system has both fuel and spark control features. The ECU 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 Edelbrock�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 target ignition curve idle speed acceleration tuning coolant fans rev limiter etc.

The customer must provide an induction system including a manifold throttle body fuel rails and injectors. Also a fuel pump regulator or fuel lines are not included. Users must refer to the Calibration Matrix in the instructions for the required injector size depending 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.