Let’s explain all of those confusing numbers, letters and terms to help you choose the right oil for your car.

The Ford 6.7-liter Power Stroke diesel engine is known for reliability and durability. What type of oil does it use, and how ...

Probably the most important thing you can give your elderly car, aside from regular maintenance, is high-mileage engine oil.

Motor oil comes in a variety of forms, designated by pairs of numbers, but the most common two are 10W-30 and 10W-40. What's ...

If you're a driver of A Certain Age like I am, you may remember that, back in the day, car engines used heavier oil. You're not imagining things here, this isn't some kind of Mandela Effect thing ...

You might recall I pulled the cylinder head of the Jeep some two months ago to inspect the piston. In the end, I decided to ...