Cummins ISL Oil recommendation
Getting ready for my first service, and I see the shop offers standard oil, semi synthetic, or full synthetic. Terrific :) Any idea what would be the best oil for the ISL that operates as a vacati...
Forum Discussion
moisheh wrote:
CJ4 is the oil that was made for DPF equipped vehicles. The previous type, CI4, is probably not available anymore. Or it is not common. Everyone should be prepared for the new oils that are just coming to marketplace. One of them is backwards compatible. The other is only for the newer diesel engines.
Moisheh
Interested in more information on the "oil for diesels" that is NOT backwards compatible.
