I itookmypills Guest Jul 7, 2009 #1 Mobile says that the best protecting oil for my diesel 7.3 is their 5w40 full synthetic oil. Should I use it?
Mobile says that the best protecting oil for my diesel 7.3 is their 5w40 full synthetic oil. Should I use it?
T tom r New member Jul 7, 2009 #3 Rotella oil is for diesel engines, Use that and recomended weight for engine.
T tom r New member Jul 7, 2009 #4 Rotella oil is for diesel engines, Use that and recomended weight for engine.
