What do the ILSAC GF ratings on oil mean?

Oil viscosity explained: It's the measure of oil's resistance to flow, affecting lubrication, reducing friction, and ensuring optimal engine performance. Apr 21, 2022 ... SPF stands for Sun Protection Factor, and the number beside it indicates how well the sunscreen protects skin against sunburn. Jul 18, 2024 ... What do the numbers in oil names mean? The designation usually includes the letters "W" (winter) and numbers, for example, 10w30 or 5w40. Common Acura Service Codes: What Do These Combinations Mean? Code Name, Code Meaning. A12. Replace engine oil; Rotate tires; Replace air cleaner element ... Feb 3, 2023 ... For example, if the oil is 5W-30, “5W” describes the oil's viscosity at low temperatures. The lower the number, the faster the oil will flow at ... Jun 14, 2007 ... Neither number corresponds to an actual 'weight,' even though that is the term most people use when referring to motor oil. The viscosity (flow ... Apr 18, 2015 ... This is what the numbers mean. The first number is the viscosity of the oil, how it will flow, when cold. The second number is the viscosity, ... Feb 18, 2022 ... What do These Numbers Mean? Typically, motor oil grades range from 0 to 60. The lower the number, the lighter and less viscous the oil is. The ... Apr 3, 2013 ... The sole purpose of this group is to test the lubricants resistance to flow, also known as viscosity. Lubricant quality and specifications are ... How Often Should You Change Your Oil? ... With a little explanation it's easy to understand what all of the letters and numbers mean on your tire's sidewall.