Guys, I know about Redline and Castrol, but I need to choose between these two oils: with the low HTHS (< 3.5 mPa.s) - Eco-Clean or with the high HTHS ( > 3.5 mPa.s) - X-Max. Which would be better?
"The concept exists of High HTHS and Low HTHS: A low HTHS oil has a lower viscosity at high temperature (<3.5 mPa.s) than that of a so-called High HTHS oil (>3.5 mPa.s). Please note that the “mPa.s” is a unit to measure viscosity. This notion is important as it allows for the classification, on the one hand, of fuel economy oils having a low HTHS and, on the other hand, of high protection oils having a high HTHS."
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