Jun 14, 2019 · It's MUCH better to use 0/xx than 5/xx, 'xx' being the same. The reason is 'xx' means viscosity when oil is hot. The first number is viscosity when oil is cold, which even in 0 grade, it'll always be MUCH thicker than hot, meaning the thinner it is (0 is thinner than 5), it starts lubricating the engine quicker at any temperature. Mar 13, 2022 · 0w30 vs. 5w40 Mazda. Mazda recommends using 0w20 motor oil in nearly all of its vehicles, including crossovers and SUVs. The lone outlier will request 5w30. Due to this, it is not recommended to use 0w30 or 5w40 motor oil in your vehicle. Modern engines, on the other hand, may run on 0w30 motor oil.
Feb 19, 2021 · 0W20 will give you better cold startups in sub zero temps, so if you live in colder climates you could get away with using it. would not use 0W20 in that old motor in hotter climates. if you do live in an extremely hot climate area and tow/haul, 5W40 would be better all around. an SAE graph for an idea on oil temps, need to convert from C to F.

Dec 7, 2021 · The properties of 0w20 motor oil and 5w20 motor oil are the same if used in proper weather temperatures. For example, you can use both 0w20 motor oil and 5w20 motor oil that can be used in twenty degrees Celsius. However, the 0w20 motor oil is thinner than the 5w20 motor oil in cold engine temperatures.

Nov 5, 2022 · When the engine is running and hot, 5w40 and 10w40 have high viscosities and are equally effective in protecting against engine wear. What happens if I use 5w 40 instead of 5w 30? You should never use 5W20 motor oil in an engine that is supposed to use 5W30. Doing so can lead to extreme damage to your engine over time.
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can i use 5w40 instead of 0w20