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? Probably. I don’t have a ...
While there are other nuances to motor oil classifications that need to be understood before changing or topping off the oil ...
Demands on heavy-duty diesel engine oils have changed alongside engine technology and fuel formulations. “As engine technology and fuel technology have evolved, the environment in the crankcase has ...