Time was when a valve job was done with some valve-grinding compound and a vacuum cup on a stick. But no more. Today's high performance engines require the same machining precision in the valves that ...

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 ...

The latest trend in street rods is really not a new trend at all: Building cars with engines other than the belly-button Chevy small-block. While this might not be the easiest way to make power, if ...

While the engineering community continues to explore the benefits of electric and hybrid vehicles—i.e., the environmental and renewable energy factors—the automotive market is still dependent on ...

Regardless of what type of vehicle you drive, if it was built in the last few decades, its engine has some form of emissions control system designed to reduce the harmful environmental impacts of ...

The hunt for efficient engine valve technology can be a never-ending journey into cam timing, various combustion cycles, and lift and duration adjustments. For that reason, some companies believe ...

If we tell you that some folks take engine components made with a highly explosive metal, put them under the hood in one of the hottest parts of the motor, and then rely on those parts to actually ...