Our testing revealed red flags with two leading oil additives. Find out if engine oil additives really work here.
While it’s safe to mix synthetic and conventional oil since they’re compatible, it’s not a great idea. Here’s why you shouldn’t mix oil types.
Motor oil seems simple. You pour it in your engine and drive away. But motor oil is far more complex…and important. Here’s what you need to know.
Start-stop cycles in equipped engines can triple compared to traditional engines, increasing the likelihood of bearing wear.
Industry testing shows that AMSOIL delivers excellent protection for turbo cars, limiting deposits on the turbo bearing and shaft. See the results.
The primary functions of motor oil are to reduce wear and friction. But motor oil must do more than that for your engine to run well and last as designed.
Want the best synthetic oil for your engine? Many oil companies say they have the best, but we offer the scientific data to back it up.
Some enthusiasts use racing oil in their car or truck. But your vehicle needs an oil that provides benefits racing oils aren’t designed to deliver.
Many motorists still love the DIY oil change. If you change your own oil, avoid these five common mistakes to ensure your vehicle performs well.
Synthetic blend oil and semi-synthetic oil are the same thing: an oil comprised of a combination of conventional and synthetic base oils. Here’s why it’s best to opt for a full synthetic oil.