To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

Without oil, the engine wouldn't be able to work at all. Since the oiling system is such a critical part of the engine, it is important that you understand how it works.

The basics of an automobile engine require lubrication. This means the role of the oiling system is critical to performance and especially critical for high-performance applications. To help you keep ...

One of the smartest racecar builders around breaks down the difference between a dry sump system and the oil system in a normal car. Kyle Hyatt Former news and features editor Kyle Hyatt (he/him/his) ...

How does a dry sump systems support your engine differently than a wet sump system? Let's take a look at the mechanics behind both and when they're used.

Racers are a picky bunch. We scrutinize parts and sweat minute details down to the thousandth of an inch. We painstakingly gap spark plugs, set valve lash, and carefully select the brand and weight of ...

Most of us aren't watching our oil pressure like we do our social feeds -- but maybe we should. Oil is your engine's lifeblood, and oil pressure is like blood pressure. If it drops too low or spikes ...

Automakers often warn consumers against using any form of additives in a car's engine or fuel system. Some will even inform a person that if additives are put into the oil or fuel system, any active ...