Engine Oil
Anyone know what kind of oil is put into a 2014 Coachmen Mirada. I do not know if it is regular oil or synthetic. Does it matter if I switch it to regular oil. Is there a place in the coach that say...
Forum Discussion
Idahosrt10 wrote:
Don't use any oil other than 5w-20! Motorcraft semi-synthetic is factory fill. Using a heaver weight oil will compromise engine protection.
Nonsense. A 5w oil is far thicker at start-up than even a 50 weight oil is at operating temps---------------so how can a heavier (say 5w-40) oil hurt an engine.
