Quote:
Originally Posted by Badmojo
You do realize that a 5W30 has a higher viscosity at cold temps than a 0W40 right?  |
Actually with Mobil1 the 0w40 is higher viscosity at lower published temp (40C) than 5w30. The second number has more overall bearing on total viscosity than the first.
Refs:
https://mobiloil.com/en/motor-oils/m...il-1-esp#5W-30
https://mobiloil.com/en/motor-oils/m.../mobil-1#5W-30