Oldsmobile Engine Oil Additives

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.

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?

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

Is it OK to put Diesel oil in my gas engine? When is diesel oil bad for my car? Do I need to any additives in addition to diesel oil in my gas engine?

Take your crate motor racing to the next level with these tricks and tips that won't get you in hot water with tech officials!

Build a high-performance Gen V LT engine with proven power combos and learn about LT upgrades and tuning tips for maximum power

General information on engine oil, including selection recommendations.

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

A look at some LS Oil Pans for your swap project. Our video guide walks you through some great options.