Скачать или смотреть We Tested 0w-20, 5w-30 & 5w-40 In The Engine — One Clear Winner!

Can one oil choice really decide whether your engine dies at 120,000 miles or survives past 400,000 miles? In this in-depth real-world engine oil test, we compare 0W-20, 5W-30, and 5W-40 under identical driving conditions in the United States. No opinions, no marketing, just real data.

We analyze oil temperature, viscosity breakdown, wear metals, fuel economy impact, cold start behavior, and long-term engine protection using used oil analysis and mechanical inspection. This video breaks down 15 detailed sections explaining why thinner oil isn’t always better, why manufacturers recommend certain viscosities, and why mechanics quietly prefer 5W-30 for long engine life.

If you care about engine longevity, maintenance costs, and choosing the right oil for real-world driving, this video will change how you look at oil recommendations forever.

Chapters include:
– Why owner’s manuals don’t prioritize longevity
– Real-world oil temperature and wear data
– 0W-20 pros and hidden downsides
– Why 5W-30 is the most balanced oil
– When 5W-40 actually makes sense
– What mechanics really run in their own cars

Watch until the end to see which oil truly protects your engine best and why the winner surprised experienced technicians.



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