Changing your own motor oil isn't that hard, and it can save you a lot of money, but it's important to know which kind of oil is right for your engine.

In 2003, Chrysler reintroduced the legendary Hemi engine to American car buyers after a decades-long hiatus. The first of the "third generation" Hemis was the 5.7-liter, gas-powered, 90-degree, ...