Quote:
Originally Posted by NCII40
selecting brand of oil , i would use the Viscosity, Kinematic, cSt at 40°C and at 100°C to help you decide as i have noticed some XW50 oils have a lower viscosity up at 100°C compared to others
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I wouldnt get too worked up over the numbers. I worked at an oil blending site and one week the numbers would be just over the minimum they had to be, the next week they were just under the maximum.