Synthetic motor oil lasts longer and protects engines better than conventional oil, and here's the science behind whether to ...

Synthetic oil is fundamentally different from its conventional counterpart. It's artificially manufactured to have the optimal properties for the grade in question, which means it doesn't need ...

Meanwhile, semi-synthetic is good on your engine while also being much easier on your wallet than its synthetic counterpart. It brings a mix of both synthetic and conventional oil, along with ...

Synthetic motor oil has been around for longer than you might expect, but most classic cars were designed to run with standard motor oil. Can you use either?

CR experts tell you everything you need to know about your car’s engine oilBy Benjamin PrestonSynthetic oil used to be something only performance cars needed, but not anymore.Now it’s the ...

One of the most contentious arguments about synthetic motor oil — aside from whether or not a true blue gearhead should use it at all — is how long it lasts and how often you should change it.

As for switching, you can freely switch back and forth from synthetic to semi-synthetic to conventional oil without any issues. I recently had Michael Thomas from Pennzoil on my radio show and ...

A full synthetic formulation, Duron UHP 10W-30 also demonstrates performance in the following aspects, according to Petro Canada: Engine Protection: Duron UHP 10W-30 has superior film strength at ...

According to AAA, most automakers now recommend oil change intervals between 5,000 and 7,500 miles for vehicles using conventional oil. If your car requires full-synthetic motor oil, that range ...

Synthetic oil flows better in cold weather, allowing for easier starting and better start-up lubrication. Personally, I use synthetic oil in my cars, lawn equipment and even a small boat motor.