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 ...

Cars with internal combustion engines — as opposed to electric vehicles, which still depend on a few fluids themselves — require various fluids to keep everything running smoothly. If you've been ...

You probably already know that your car relies on various different fluids to help it run smoothly. Two of the most ...

Oil is a vital component for engines of all types. Not only is it responsible for providing lubrication to numerous moving interior parts, but it also helps prevent friction and the development of ...

As you wouldexpect, there are several areas within an engine where frictional losses are created, at the very minimum. Also consistent with conventional wisdom is the fact they are unavoidable and can ...