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 ...

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 ...