Quote:
Originally Posted by AndrewCologne
The cold viscosity of a 15w50 or even a10w60 often is higher than a 20w50 – so a lower first value does not always mean less viscosity when cold.
Thats what at least the TDS of big oil companies do say
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the weights specs are closely controlled and spelled out in SAE J3000 and J306
J300
J306
You people will apparently believe anything that any fool posts
