What statement below summarizes an engine lubricating oil's viscosity given as 20W-50?
It is formulated for hot summer days when the cooling water temp is 50°F higher than the oil temperature.
The "W" designates what the additives are that are added to this oil.
It is formulated for a metric weight of 20 milligrams at 50°F.
It is formulated for both a low temperature and a high temperature based on viscosities determined at 100°C.
No comments yet
Be the first to share your thoughts!