Many of you have followed our "How It Works" series since its inception in the January, 1993 issue of HOT ROD and have told us exactly how much it is appreciated. In the 27 issues that followed we've ...

Regardless of the larger target of extracting big power from your engine build is the primary goal of building a well-tuned combination that provides strong performance across the rpm band. And as ...

Over the years we've been involved with a number of Gen III and IV engine builds and for longtime readers, you may even recognize the current LS2 that we've recently rebuilt. If so, then you'll know ...

When we turn the key, what happens under the hood and why? How does an automobile engine work? What is that sound we hear and the propulsion we feel when the accelerator is depressed? "External ...

The choke valve in an engine's carburetor, whether it's a Holley carburetor or another brand, helps a cold engine start by restricting some of the airflow into it. When the engine is cold, the choke ...