How do CCS and MRV relate to cold-weather oil performance? What is the significance of Noack volatility in engine oil?

Jul 24, 2024 ... The numbers indicate the oil's viscosity. The first number (10W) shows the oil's viscosity at low temperatures, and the second number (30) shows the viscosity ... “A” is a Main Item which would indicate that your engine oil should be replaced. ... What does Honda A1 maintenance code mean? This code is an indication that ... Jan 17, 2023 ... AMSOIL synthetic lubricants boast high VI numbers, meaning they're more stable than competing lubricants under extreme temperatures and ... Aug 18, 2011 ... The numbers are there to show the user what the "viscosity" of the oil is. Viscosity basically means how thick or how flow-y the oil is. If the ... Multigrade engine oils (both gasoline and diesel) are identified by two numbers separated by a W. The first number indicates how the oil performs at startup, or ... Jan 2, 2011 ... The 'W' ratings are to tell how the oil will perform from a cold start (when the engine is colder). Basically, the higher the first number, the ... 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. Feb 29, 2024 ... Note that you should interpret this rather as a best-before date and a quality degradation indicator, not a food safety indicator. The numbers ... Dec 29, 2020 ... The “W” signifies “winter,” not weight. Oils first received this “W” designation from SAE in the 1950s. The lower the number preceding the W, ... Feb 23, 2018 ... They relate to viscosity, measuring the amount of resistance that a particular motor oil has as it flows throughout the engine.