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 ...

The pressurized wetsump oiling system on most production vehicles will look like this. Oil is stored in the oil pan and sucked into the oil pump (which is also located in the oil pan) to be pumped ...

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) ...

Your engine doesn't enjoy oil starvation. Sure, you could run dangerously low on oil and get away with it, but don't count on it. Let the oil flow, friends, whether your vehicle has a normal wet sump ...

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 ...

Along with requirements for the kind and weight of the oil they use, vehicle engines also have a set amount of oil they need, which varies by size. I reckon we're all aware of what happens to an ...