Shel_B
Site Donor 2023
- Joined
- Aug 7, 2020
- Messages
- 5,166
I've noticed that the levels of zinc and phosphorous in many of the Mobil1 oil types is lower for the 0w-20 oils than for other viscosity ranges of the same type oil. Why might that be? Here's the chart I've been looking at:
Thanks for your thoughts on this ...
Thanks for your thoughts on this ...