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Answer by Thomas Carlisle for Oil evaporates/burns-off (becomes thicker),...

Suggest you ask the person who wrote the article. While oil is a liquid and all liquids have an evaporation point, engine oils are designed such that the evaporation point is higher than any temps your...

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Answer by Greybird6 for Oil evaporates/burns-off (becomes thicker), should...

As multigrade oil ages, the polymeric additive package breaks down, reducing the oil's ability to lubricate across a wide variety of temperatures. A 10w30 oil will eventually revert to the original 10...

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Oil evaporates/burns-off (becomes thicker), should top-up be thinner?

I read somewhere that when the oil evaporates, the leftover oil is effectively thicker, e.g., to extrapolate, 5W40 may be closer to 5W50 after the evaporation takes place than before so.I use Redline...

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