A follow up to my article on Thursday about how automakers give different oil recommendations for the same car on different continents.
Why were we told not to use 5w-40 oil? And why would you want to? The devil, as it usually does, lies in the details. And this is far from the first time this has happened.
The Saturn Sky Red Line is my first car that requires a full synthetic oil. Since then, I’ve done a lot of research on oil… so this won’t be my last blog post on the subject.