Forum Discussion

ONG's avatar
ONG
Explorer
Mar 22, 2017

Conventional Motor oil VS Synthetic for Diesels

In a different post clutchdust mentioned that he always uses Mobil 1, which is a synthetic oil. Our View (diesel) calls for either a synthetic 5w40 or a conventional 15w40 under normal RV driving c...
Class C
BB_TX's avatar
BB_TX
Nomad
Mar 22, 2017
In 55 yrs of driving and well over 1 million miles between the DW and myself, I have never had an engine fail in any car or truck. Some well over 100,000 and one over 243,000. And I have never used synthetic oil of any kind. Just regular oil changes according to the owner's manual. Good enough for me.

About Motorhome Group

38,756 PostsLatest Activity: Oct 29, 2025