Cadillac Oil, Fluid, and Additive

Learn what gear oils do for your differential and how to choose the best gear lubricant for your application's needs

How does ZDDP or zinc help my engine live longer, what does ZDDP do and why is it important to use ZDDP oil in my engine?

Do I need break-in oil for my engine and why. When should I not use an engine break-in oil? What do I look for when choosing a break-in oil?

Learn the difference between DOT 3 and DOT 4, or DOT 5 and DOT 5.1. Every type of brake fluid has a specific boiling point and water absorbing quality.

Classic cars ran on normal motor oils for decades, so why change now? The answer lies in the evolution of gasoline engines and how motor oil has co-evolved.

General information on engine oil, including selection recommendations.

If you’ve got about 20 minutes free, follow along as Redline Synthetic Oil’s Cameron Evans explains some of the primary differences between the variety of oils and lubricants available in the market today.

Don't forget to change the oil in your tow rig! Lucas Oil has you covered with CK-4 Diesel Motor Oil. Learn more...

In this guide, Kevin demonstrates how to properly install an external oil cooler in his '54 Chevy Belair with a Big Block Chevy engine.

Lake Speed Jr., from Driven Racing Oil, answers the question "what viscosity grade should I run". He explains what viscosity really means and some key factors to keep in mind when selecting the right viscosity grade for your engine and application.