What it is (geek talk) - All fuel injected vehicles are equipped with fuel pumps that run more fuel than is required in the fuel rail that feeds the injectors. As a result, most vehicles have OEM fuel ...

For this issue's Tech Inspection, we added a Cagle fuel regulator to a daily driver. The Cagle regulator is different from most because it restricts fuel according to engine load (as read by engine ...

Even in this day of increasingly sophisticated electronic fuel control systems, carburetors are still often the component of choice for racers and high-performance street machine enthusiasts alike.

We don't have to tell you that too little juice to the squirters, especially under boost, is a costly proposition that could lead to serious internal surgery on your engine. Twelve years ago, when ...

As savvy car crafters know, for an internal combustion engine to work correctly you need to blend the proper amount of air and fuel to promote proper combustion. Drawing in the correct amount of air ...