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So comparing 0w40 oils with 5w40 oils, or any 0w or 5w oil for the matter, it would seem the 5w40, 5w(s) in general, aren't consumed or burned off as easily as 0w oils due to overall hths or thickness; but 0w oils might have superior base stocks and lower Noack ratings to compensate. I observed...

Given the countless uoas done to verify that Castrol 0w40 is in fact a decent brand name oil, often pruchased at Walmart (the irony). How well is this oil able to resist burnoff. I have tested it in my previous Mk5 GLI and found it, alongside 0w30 GC to be around the same resistance to the 5w40s...

For Columbus, Ohio citizens with European cars?, are there any European auto-service-shops stocking European import/exotic oils in the Columbus Area???