Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce friction ...

While making our usual rounds of race shops, we came across a problem that plagues many racers and unnecessarily costs them lots of money-and we thought we'd share the solution with you. While ...

How Does an Engine Work? Before digging into this significant expense, it’s important to outline how an engine works. The engine is the heart of the car, truck, or SUV. The vehicle’s full function is ...

The Chevrolet small-block engine was a brilliant piece of engineering, attested by the fact that well over 100,000,000 were built. However the first generation was not as oil-tight as later ...

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 ...

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 ...

Dear Tom and Ray: I drive a 1995 Ford Probe with roughly 138,000 miles on it. According to my mechanic, the rattlelike noise I hear as I drive is the result of valve tap. My mechanic indicated that it ...

General Motors has issued a new special coverage bulletin, tagged as N252508340, for certain units of the 2023 Chevy Silverado 1500 equipped with the 3.0L I6 LZ0 turbodiesel Duramax engine. The ...