Normal
The -20 is the requirement by the OEM for the machinery at operating temperature.The 0W- is enhanced flow capability cold.The best would be oil that has the same viscosity from stone cold to max temp.
The -20 is the requirement by the OEM for the machinery at operating temperature.
The 0W- is enhanced flow capability cold.
The best would be oil that has the same viscosity from stone cold to max temp.