5W30 y 5W40 en un MOTOR JAPONÉS Por MESES: ¡Hubo un GANADOR Claro!

In this video, we tested 5W30 and 5W40 oils for months in a Japanese engine, under real-world driving conditions, to discover which one provides better long-term engine protection. We analyzed operating temperature, city and highway performance, and laboratory results on wear and viscosity. If you drive a Toyota, Honda, Nissan, or any Japanese engine and have questions about which oil to use, this video will clarify everything with real data, without myths or forum opinions. Discover why the correct viscosity can be the difference between an engine that lasts 500,000 kilometers and one that starts to fail prematurely. ⏱️ Topics we'll cover: The real difference between 5W30 and 5W40 in operating temperature How each oil performs in city vs. highway driving Laboratory results: metal wear and viscosity degradation What your Toyota, Honda, or Nissan owner's manual says and why When is it appropriate to use 5W40 in a Japanese engine? The most common mistake when choosing oil for high-mileage engines Let us know in the comments what oil you use in your Japanese engine and why you chose it. Turn on notifications so you don't miss our upcoming videos on engine maintenance, mechanics, and care.