Quote:
Originally Posted by WINGAS
"0" is pretty light for a compression engine. Cheap or not.
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That makes zero sense.
M1 0w-40 is a fairly light 40wt oil. But it is 13.5cSt at 100C, which is within the range of a 40 wt engine oil. It is 75 cSt at 40C.
For reference, Shell Rotella T6 is 14.2 cSt at 100C, also within the 40wt range of viscosity, and 87 cSt at 40C.
Nobody wants a 75 or an 87 cSt oil in their engine. Notice the viscosity at operating temperature.
So is 75 cSt too light or you, given that at operating temperature it is 13.5cSt? What do you want in your engine at cold start, asphalt?