Скачать или смотреть 0w40 vs. 5w30 engine oil differences

The main differences between 0W-40 and 5W-30 engine oils lie in their viscosity and temperature performance. Both oils have a similar cold-start rating (the "W" number), with 0W-40 offering slightly better flow at very low temperatures than 5W-30, making it ideal for extremely cold climates. However, the key difference is in their high-temperature viscosity: 0W-40 maintains a thicker film at engine operating temperatures, providing better protection under high heat and heavy loads, while 5W-30 is thinner at these temperatures, promoting better fuel efficiency and smoother engine performance in moderate conditions. Choosing between them depends on the vehicle manufacturer’s recommendations, driving conditions, and climate, as using the wrong viscosity can affect engine wear, efficiency, and longevity.

00:00 - What are Multigrade Engine Oils?
00:13 - Understanding Viscosity Numbers
01:10 - Performance Comparison: Cold Starts
01:26 - Performance Comparison: High Temperatures
01:42 - Which Oil is Better for Fuel Economy?
02:01 - Protection Against Engine Wear
02:22 - Vehicle Compatibility & Manufacturer Specs
03:15 - Oil Change Intervals
04:05 - Why You Must Use the Correct Oil
04:33 - Practical Vehicle Examples for Each Oil Type
05:04 - Final Summary & Key Takeaways