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 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 ...

Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

We earn commissions from purchases you make using links in our articles. Learn more. Despite recent advancements in environmentally conscious electrified vehicles, most of the cars and trucks we drive ...

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 ...