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Serious question?
Viscosity is measured at 2 temps. 40C and 100C.
So it acts lke a 20 at 40C (104F), the cold temp and at 100C (212F) it has thinned and is a 50.
Thrre are molecules in the oil that physically change shape w temp to help the natural effects at work.
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Robert
Oil, heat, vibration and noise.
At work, oil analysis, thermography, vibration analysis, and ultrasonics.
At play, Harley.
Same same, right?
Only 43 more states to go!
Remember, never make a straight on a left hand bridge.
It WILL leave a mark.
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