- Oct 4, 2009
- Litchfield, Ohio
Anyone have any experience with Mobil Delvac MX F3 15W40? I was in Rural King today and they had a pallet of 5 gallon pails of it on sale. Its CI-4+ rated. Thought about picking up a couple pails for the older diesels but I have never heard of this particular product line from Mobil.