Home mechanics have been pouring vegetable oil into engines for years, sometimes in the fuel tank, sometimes straight into ...

While fresh oil is generally transparent and amber colored, black oil may mean it's time for a replacement and frothy oil can ...

Quick-lube oil changes use $3 filters without anti-drainback valves, causing dry starts that grind metal and destroy engines ...

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 ...

Checking your engine oil level is a quick, easy task that’s a crucial part of car maintenance. Keeping the right amount of oil in your engine will increase its longevity regardless of age, cylinder ...

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 ...

Walk into most quick-lube shops and you'll walk out with a sticker telling you to return in three months or 3,000 miles. It's ...

GM owners want thicker oil in the next-gen V8 due to reliability issues regarding thinner oil, which caused problems that led ...

The API is aiming for a 2027 rollout of the new engine oil spec, which is meant to enhance performance standards.

January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned.

Curious to see the damage caused by running on low oil? This teardown of a blown BMW B48 engine shows what goes wrong and the ugly aftermath.