In the 1950s, motor oil started to come in grades. Some grades were formulated to work better in cold weather, while others ...

the only motor oil you have available is 5W-30, and you must drive it, it's better to add the 5W-30 than it is to drive your ...

Recalled trucks and SUVs with GM's 6.2L V8 L87 engine get a new, thicker oil if they pass an inspection. Here's what you need ...

Motor oil labels. These are the labels you'll find ... Automakers usually specify a 5W-20 or 5W-30 oil for colder temperatures, with a 10W-30 oil as optional for higher ambient temperatures.

If you have a diesel engine and want a synthetic oil option ... including commercial trucks and heavy-duty pickup trucks that allow an SAE 5W-30 oil.

There's also weight to consider, which is the viscosity of a motor oil. You'll see this information in a format that looks like 5w30 or something similar. The first number indicates viscosity at ...

it makes sense to start slowly changing the grade of oil to one that’s more viscous, but with the same base, for example, switching from 5W-30 to 5W-40. Try to make all changes gradually, as any ...

Think of motor oil as the life’s blood of your car’s ... It will usually have a designation such as 0W-20 or 5W-30. You can buy it by the quart at any service station or auto-parts store ...

the typical motorist realizes that engine oil degrades over time. Some will also notice the mysterious codes for the different grades—10W-40, 5W-30, and the like—or encounter terms such as ...

like 0W-20 and 5W-30, we'd have to use different weight oils for various climates. If you lived in the middle of the United States, you would often use a different weight engine oil in the summer ...