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Originally Posted by uberwgn
And there ya go! Internet science at its best.
Lou, here are several UOAs covering the oil in question. Do you see any immediate concerns?
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Hi, uberwgn:
Good to see you here too. Thanks for the info on the jack plugs. Mine should be here tomorrow.
My immediate concern on your Mobil 1 0W-40 analysis is somehow related to this 4-ball type of test. Your Mobil 1 viscosity, after 10k miles, is shearing down to a xW-30 viscosity oil. It started with a viscosity at 100 deg C around 14 cSt. Yours are around 11 - 12. Most xW-30 oil have this around 10.0 - 12.5 range.
The Elf, however, held much better in that department.
I am not a big fan of oil analysis, not because it does not make sense but it can report only to one significant figures in many areas. What is the difference between Fe 8 and 9? Not much.