Every engine requires oil to function, though oil itself has changed a lot over the decades. Can you actually use synthetic oil in an older engine?

Synthetic blend and fully synthetic oils are both improvements over conventional motor oil, but how do these more premium oils benefit your car's engine?

Ever wondered why there's a price difference between conventional and synthetic oil? Let's take a look at why they're different and which you should use.

So, you mixed synthetic oil and conventional oil. You screwed up, and now you're wondering if what you did will have catastrophic consequences. Whether it was a simple accident or if you did it on ...

Picking the best synthetic engine oil for your conventional or hybrid vehicle There aren't many places that review motor oil, and the predominant sentiment online is, "I like this oil because I ...

As the single most important fluid in any internal combustion engine—even that mystical rotary business—running the right oil is paramount. It handles so many tasks. Like lubricating crucial ...

The importance of regular oil changes for reciprocating engines is emphasized, referencing both personal anecdotes and Federal Aviation Regulations (FARs). Different types of engine oil are discussed ...

Every engine requires oil to function, though oil itself has changed a lot over the decades. It's no longer a bad idea to use synthetic oil in an older engine.

You're staring down two shiny jugs at the auto parts aisle. One says semi‑synthetic, the other full synthetic, and you're thinking maybe they're basically the same, right? Maybe that's just a ...