Can you use synthetic motor oil in old cars? Can synthetic oils cause leaks in old cars and engines? Where did the idea originate that synthetic oils are not compatible with old engines? If your car ...

Synthetic motor oil offers many advantages over conventional engine oil. Synthetics resist chemical degradation far better than traditional oils, and they typically have a higher viscosity index that ...

Synthetic oil used to be something only performance cars needed, but not anymore. Now it’s the manufacturer-recommended engine lubricant in many mainstream vehicles, such as the Subaru Forester and ...

Classic car owners are often quite devoted to their vehicles. Between the substantial investment (classic cars can be expensive to buy and maintain), sentimental value, and fun factor, most ...

It doesn't matter if you have a hybrid or conventional gas-powered car, a good motor oil can make the difference between a long-lasting engine and a sputtery ride. Here's what you should look for when ...

Q: Synthetic oil seems to be the best choice of oil to use in a car today instead of conventional oil. Is synthetic oil OK to use in small engines such as generators, snow blowers and other ...

Craig has worked in automotive media for nearly 20 years, producing content for publications ranging from Autoline and AutoGuide to Roadshow by CNET and EV Pulse. Aside from writing, he’s also ...

Conventional motor oil or synthetic motor oil? That is the question when getting an oil change, and it's an important one. Both are designed to help keep your engine and its various components ...

My Audi requires 5W-40 oil. I use Mobil 1, full synthetic. I have some 0W-40 left over from a previous vehicle. If I mix ...

Many car owners think oil only fails when the miles rack up. Wrong. Even when your ride sits for months, oil ages and degrade. Factors like exposure to condensation, temperature swings, and ...