Can I mix different viscosity grades of oil?

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 ... Mar 13, 2003 ... Grade is used to simplify the selection of a oil of a given viscosity index. Using your example it should have been stated: An oil SAE 40 has a ... ... oil and grease (O&G)]. Solids - A measurement of the concentration of ... My lab reports lists my results in “ppm.” What does that mean? Most ... Oil viscosity explained: It's the measure of oil's resistance to flow, affecting lubrication, reducing friction, and ensuring optimal engine performance. Feb 27, 2024 ... Lower numbers indicate thinner oils that flow more easily at low temperatures, while higher numbers denote thicker oils that provide better ... Mar 13, 2020 ... How does adding a synthetic blend alter this equation and is it good for my engine? What do numbers like 10W-30 or 25W-40 mean on the oil ... What do those oil numbers mean? Check out this article from the experts at Town Hill Auto Repair Service. Quick Service Oil Changes for all makes and models ... ... oil changes & checking your oil level regularly. What do the numbers mean on motor oil? The first number of a multi-grade oil designates the ability for the oil ... Oct 10, 2023 ... SPF stands for Sun Protection Factor. The SPF number indicates the level of protection against ultraviolet (UV) B rays. Sep 15, 2015 ... competitive at $70 per barrel, a number that has been echoed · by Allianz, which is a significant investor in Shell.