hi guys i would like to know what oil you are using
i have a Spanish built 2012 d40 2.5 diesel and would like to do an oil change would i use semi synthetic or fully synthetic i was thinking penrite 10 w 30 semi synthetic
I was using fully syn 5W-40. Wasn't unhappy with it, but thought I'd try 10W-40 semi syn for a change. The engine is noticeably quieter. Especially on start up. But, fuel economy has dropped. It still looks like Vegemite after a day or so.
