Dialing It In Each Pro-Flo comes with an individualized chip in its ECM loaded with dedicated fuel and spark curves for a specific application. In this case, our 502 crate motor had been fitted with a ...

What it is: Self-learning EFI system. Why you care: Edelbrock's Pro-Flo 4 EFI does not require laptop tuning. The key to this user-friendly system is Edelbrock's exclusive E-Tuner 4 application, which ...

Easy-To-Use EFIThe Pro-Flo 4 EFI is Edelbrock's most advanced electronic fuel injection system. Its compact and water-resistant ECU features an upgraded Bluetooth chip for reliable connectivity with ...

This will not be another attempt to convince those committed to carburetion that modern electronic fuel injection is really the way to go. As a CHP reader and a well-informed gearhead, you already ...