A small gap with big importance in the performance and health of an engine - here's everything you need to know.

In an engine, the relationship between the valves and the pistons is a precarious one. If there is too little space, they can collide. If this happens, the resulting carnage require replacing one of ...

QUESTION: I have a 2006 Honda Accord four-cylinder with 105,000 miles. It has developed a clicking engine noise on a cold start. After the car has warmed up, the sound goes away. I have seen ...

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 ...

In case you missed it, the automotive industry has been on a steady trajectory of internal combustion engine (ICE) downsizing for years. Battery-powered electric vehicles may capture most of the ...