Synthetic engine oil might seem like it carries some risks or downsides. However, you should consider switching to synthetic ...

Can you use synthetic oil in old cars? Can synthetic oil cause leaks? We’re tackling many heavily debated subjects about motor oil in this video and learning how specially formulated motor oil can ...

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 ...

I’ve been getting a lot of mail regarding using synthetic motor oil in vehicles. Questions such as: Should I use synthetic oil? Does it work better in some cars than others? Does it cost more? Do I ...

Q: I have a 1994 Toyota Celica and have always used conventional oil. Should/can I change to synthetic? Can I mix the two? Car Doctor: How to spot a 'flood' car before you buy Car Doctor: Can you give ...

Technically, the first synthetic oils were produced in 1877, which was about a decade before the first patented motor car arrived in 1885. Despite this, the former didn't find its way into the latter ...

Aside from diesel fuel, engine oil might be the most critical fluid in a truck because it influences two of the top three equipment-related costs for fleets: fuel and maintenance. And with various ...

Choosing the right motor oil is paramount to car maintenance. It's not a particularly exciting task, whether shopping for or changing your oil, but if you don't pay the proper attention, then you aren ...

For as long as I’ve been driving, I’ve been changing oil. Longer than that, actually — before I even got my license, I did a lot of the maintenance and repair work on the family car. It seemed natural ...

Once upon a time, synthetic engine lubricants were considered exotic and used in only the most rarified performance engines. In fact, one of the companies discussed here, AMSOIL, was the first company ...

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 ...

Amsoil has a complete line of diesel engine synthetic oils. The line features the Signature Series Max-Duty Synthetic in 5W-40, 5W-30, 10W-30, 15W-40, and 0W-40 grades. The line also includes ...