- Mobil1 Turbo Diesel Truck is a 5W40.
a snake oil and has been tested by one of the top oil experts in the country (if not the world). It is a engine cleaner made from esters.
- If you want to use Mobil1 run M1 0W40 (their best 30 weight
) or M1 TDT. Even Blackstone has commented that they see high wear with M1. Check this used oil analysis.