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Originally posted by Pablo:
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Of course I'm not saying this. What I am saying is that the formula is now controlled by API. Some oil companies like to improve and don't like to wait for the API.
The API service category is a floor, not a ceiling. You can make your motor oil out of diester, polyol ester, polyalphaolefin, Group I, Group II, Group III, soybean oil, whale oil, with or without moly, calcium, magnesium, or what have you. It's wide open.
The argument that API impedes progress for not certifying your oil, then, doesn't fly. The only limitation that I know of is related to pollution controls. And that's led to innovation, particularly the increased use of moly and calcium.
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The fact is that all of Amsoil's oils pass the performance requirements with ease, and the published statements say they don't want to be burdened with API.
I believe the Amsoil motor oils that are not certified all have high levels of phosphorous, which means they don't meet the current API service category specifications. That is, they don't pass.
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API isn't a bragging right.
No, as has been pointed out, it's the minimum standard.
Not meeting the minimum standard is not a bragging right.
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Bottom line, I have no real problem with the API as a minimalist standard, but they should not charge $100,000+ for a minor base oil formula tweak.
They don't.
The API has adopted a viscosity grade read-across provision, a basestock interchange, and allowed CMA code of practice substitutions to give even small outfits a fair chance to avoid retesting. The exception for 10W-30 oils in the API implementation of the GF-4 standards is another example of trying to accommodate small companies.
The statement you cited, ".... is Recommended for Applications Requiring the Following Specifications: ....
API Engine Service CF, CF-2, CG-4, CH-4, CI-4, SH, SJ, SL"
is misleading if it is not an API licensed motor oil meeting the requirements of the API SL service category unless it is clearly stated that it is not an "API SL" motor oil.