The fuel pressure regulator may be small, but it plays a big role. Learn what it does for your engine and how a failing one can affect performance.

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 ...

An ultra-high-performance engine, whether in a NASCAR, a Pro Stocker, or even a heavy-duty street machine, needs an incredible amount of fuel to do what it's supposed to do at high speeds.

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 ...

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 ...