My Audi requires 5W-40 oil. I use Mobil 1, full synthetic. I have some 0W-40 left over from a previous vehicle. If I mix equal parts of 0W-40 and 10W-40, will that make 5W-40? — Ralph Probably. I ...

Engine oil is essential for cars with internal combustion engines. It lubricates the engine's internal parts, like the camshaft(s), crankshaft, and pistons, as well as helps with heat dissipation. But ...

While there are other nuances to motor oil classifications that need to be understood before changing or topping off the oil ...

Ford Motor Company has approved three Shell ROTELLA heavy-duty engine oils that meet the API CK-4 specification for use in Ford diesel vehicles as they also meet a new Ford specification for their ...

In the world of automotive engine oils, 0W-20 is one of the thinnest, though oils as thin as 0W-8 are now used. The 0W stands for 0-weight in winter, and the 20 stands for 20-weight when the oil is ...