But the array of oils you’ll find lining the shelves today—regular conventional and more pricey synthetic, synthetic blend ... the oil changed at your local service station. Motor oil is ...

I’ve been using synthetic motor oil. Now, along comes something called a “synthetic blend.” Nobody can tell me the ratio of synthetic oil to regular oil in a synthetic blend. Can you?

Motor oil is classified by viscosity ... you should be using a full synthetic or synthetic blend 5W-20 oil. A 6.2-liter HEMI engine requires 0W-20 oil, which is a bit lighter when the engine ...

There’s more to it than just synthetic and conventional motor oil. What type of motor oil is right for your car? This is an age-old question usually encountered when you’re standing in an auto ...

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 ...