Quote:
Originally Posted by gcmak
The brief snippet around 22minutes on using 5w40 oil and the point about the weight of the oil dropping by 10w for every 10 degrees over 100C fascinated me. Anyone have a link to data/results?
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This doesn't directly answer your question, but here's a website you can play around with based on various oils. Look up oil weights on manufacturer websites and find the data on them and enter it in the blanks. You can see how oil is affected (approximately) based on the temperature change.
https://www.widman.biz/English/Calculators/Graph.html