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 ...

About the only attention most people give to engine oiling is a fresh filter and four or five new quarts of 10W-40 every couple thousand miles. For serious engine builders, however, the intricacies of ...

Although the hosts of "Top Gear" America can somehow get away with it, in most situations, sucking it up isn’t something you want to do. However, on-track beat-downs don’t qualify as most situations, ...

Drive a few HPDEs or drag races and it won’t take long to figure out that your car’s performance bottlenecks aren’t really about power or torque—they’re about oiling. A built small-block with bonkers ...

In terms of sheer horsepower, the 1960s were truly the golden decade for American cars. Car manufacturers were locked in fierce competition, challenging what was possible both on the streets and the ...

You should premix oil and gas for a rotary engine if the model is has apex seal issues, you plan to race the car, or you ...