Exploring The Pros and Cons of Ultra-Low Viscosity Oils: Are They Just For Emissions?
The Truth About Cars
MARCH 12, 2025
Theyre also prone toward offering improved fuel economy and lower emissions, as studied by SAE International. But going thinner has typically been a bad idea unless youre running your vehicle in an extremely cold environment where a thicker oil may hamper startup. Thats not a recommendation to swap to a different viscosity, however.
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