Engine oil plays a vital role in keeping your vehicle running smoothly, protecting internal components from friction, and ...

Thick oil equals better protection, right? Wrong. Learn why modern car engines are built for lighter oil and how it boosts ...

Back in the early 20th century, there were only five motor oil grades. Today, there are more than a dozen for various types of engines and vehicles.

The oil in your vehicle’s engine is pretty incredible. Its job is to protect every square inch inside your engine where there is metal-to-metal contact – your piston rings, cylinder walls, valves, ...

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I noticed the unfamiliar letters 'SQ' on an engine oil can.It used to say 'SP', but it seems it has changed to something new ...

We may receive a commission on purchases made from links. There are few things more important to the health of your vehicle's engine than running it with the correct motor oil. We're not referring to ...

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 ...

You've just done a fresh oil change on your car, and now you have a nice pan of the stuff. What exactly happens to motor oil, ...

You pull the dipstick, wipe, re-dip, and there it is — your oil level has dropped lower than a discount muffler after a speed bump. You immediately leap to worst case scenarios like fried piston rings ...