
Getting more air into and out of the engine are two relatively cheap ways to increase horsepower.

Motor oil myths abound. Here are five of the most persistent along with our myth-busting facts.

We break down the differences between DOT 3 and DOT 4 brake fluid.

Is a flush or pan drop better when changing transmission fluid? Learn the pros and cons of each method.

We tackle some frequently asked questions about gear oil, including “What is hypoid gear oil?” and other common questions.

Find out everything you need to know about synthetic vs. conventional motor oil.