I ran across this thread over at Bobistheoilguy.com. Toyota 0w20 - Bob Is The Oil Guy It is very interesting to see what Toyota has mixed into their 0W20 oil. Take note to the level of Silicon in the Virgin oil. Plus look at all that Calcium and Moly they have in it.
For those of us who aren't chemical or automotive engineers could you provide some commentary? I have no idea what any of it means (and I'm sure I'm not alone).
I laymans terms, is the report a good one or not so good? I have no idea what on earth the report is saying here.
What ALS has done is have an oil analysis performed on a sample from a fresh bottle of Toyota's 0W20 synthetic oil. Oil analysis is only really useful when looking at overall trends from analysis to analysis. So, while a snapshot analysis contains some good information, it's only by comparing from one analysis to the next that detailed information about how the engine is performing can be obtained. In this sample, the OP is pointing out the levels of certain elements, mainly Silicon, Moly and Calcium. I know Moly(bdenum) is the chief component behind additives such as Slick50. As for the other two, I'm going to consult with my liquid hydrocarbon engineer. As soon as I hear back from her, I'll be able to impart more knowledge.
One correction this UOA was done by someone else over on BITOG. I just reposted it over here. The Calcium and Moly are great for lubrication.
Okay -- I stand corrected. Moly & PTFE are mutually exclusive. From what I'm told, more lubricant engineers are trending towards Moly in order to avoid PTFE. Also: And, finally, regarding the Moly:
