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From my wife's RAV4. I was shocked at how well such a low viscosity oil resulted in such little wear.
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Amsoil SS 0W-16 5k mi; Rav4
- Thread starter BigBlockSteve
- Start date
That had much more to do with the engine design and operating conditions than the grade or brand.
I'd look into the reason for the 6 ppm tin. For most engines, it would be 0-1 ppm. You should be able to find a Blackstone report with universal averages for this engine. Compare the lead/tin/copper to see what normal bearing wear should look like on a UOA. It's also possible that the virgin Amsoil contains some tin.
What year is the vehicle and how many miles?
What year is the vehicle and how many miles?
MolaKule
Staff member
What was the VOA on this batch?
It is difficult to determine an oil's condition without a baseline VOA.
It is difficult to determine an oil's condition without a baseline VOA.
Looks good; I'd want to try a 5w30 and compare tesults.
Do you think that this singular spectrographic analysis should sell me on a 16-grade oil for my Tiguan? How about my Accord? What about my old Sienna?
The great and sweeping generalizations made from a UOA just keep getting more fantastic.
Oh man, the “OMG there are going to be blown up motors everywhere with water thin oil” crowd will love this.
I admittedly don't understand these analysis at all, but the Viscosity at 5000 miles of 7.5 still puts it fairly high in the SAE 16 spec - 6.8 to <8.2. Is this common, or a reflection on the quality of the product. I thought oil would shear more than this. It also adds to my confusion that the SAE spec overlaps the SAE 20 spec - something the other viscosities do not, so possibly 16 really isn't that "thin" at all?
The thick vs thin folks…
That’s tricky.
I don't see anything extraordinary. Next time you post, please read and follow the forum rules for a proper Heading.
Welcome, I think.
Below is a snippet of a report from my wife's old Subaru using a blend of good, inexpensive 20 grade oils. Note the long interval.
She drove this car hard, as it was under-powered for highway merging; typically WOT at redline on the CVT getting on the interstate.
Welcome, I think.
Below is a snippet of a report from my wife's old Subaru using a blend of good, inexpensive 20 grade oils. Note the long interval.
She drove this car hard, as it was under-powered for highway merging; typically WOT at redline on the CVT getting on the interstate.
OVERKILL
$100 Site Donor 2021
The fact that you are aware of this puts you leagues ahead of many, if not most, who comment on them.
Does anyone know if Speediagnostix uses gas chromatography? It seems like whenever I see one of their UOAs, the fuel dilution is always a very specific decimal value below 1%. Maybe I'm wrong...
Also, their additives values seem to drop way more dramatically between virgin and used than any other lab.
The tin does seem too high, as @twX mentioned. I'm very curious what the virgin tin value of this oil is.
Amsoil is a premium brand.
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