Can improper oil viscosity contribute to oil sludge formation?

Sep 9, 2019 ... The numbers on the engine oil generally say 10W40 or 5W30. These numbers represent viscosity and temperature. Number on the left of the alphabet ... Aug 22, 2020 ... Oil weight doesn't refer to how heavy an oil is; it's a measure of viscosity, or the thickness of a fluid. Syrup, for example, has a high ... May 6, 2003 ... The higher the number, the thicker the oil. Where you have two numbers, one followed by a W it means the oil has additives in it that make it ... The higher numbers of a gear oil (e.g., 75W-140) does not mean that it has higher viscosity than an engine oil 20W-50. Contents. 1 Grades. 1.1 Multi-grade ... I mean, I knew it meant to be carefull for the direction you install the oil filter cartridge... but I had no idea what PA or AL meant? I had asked a few car ( ... Aug 27, 2010 ... Edmunds explains what the numbers on motor oil mean, and how to select the best one for your car. EDMUNDS VIDEO http://www. Aug 28, 2013 ... What do the numbers on motor oil mean? All oils have a different viscosity and are designed to fit different types of engines. Use the wrong ... The octane number is actually the simple average of two different octane rating methods—motor octane rating (MOR) and research octane rating (RON)—that differ ... The viscosity grade (for example, 5W-30) tells you the oil's thickness, or viscosity. A thin oil has a lower number and flows more easily. One of the numbers is followed by a W, which refers to “winter” and indicates the viscosity grade in cold temperatures. An oil with a low SAE W number will flow ...