KNOW ALL ABOUT: Oil

摘要

Go into any automotive spares shop and you will see a vast array of oils, with a matching array of prices. We took at what goes into oil. what it does for your engine and why you can pay a little or a lot for it. It's a given that you should be using a decent oil in your engine - you really shouldn't need us to tell you that. However, what exactly is the oil supposed to do and what defines a 'decent' oil?