ACEA and JASO test procedures

[yannis]

http://www.swri.org/4org/d08/global/home.htm

Some of the are very tough like this mercedes 257-hour sludge test:
http://www.swri.org/4org/d08/global/pdfs/blksludge.pdf

and a vigorous foul throttle 72-hour test:
http://www.swri.org/4org/d08/global/pdfs/hitempdep.pdf

 

[pscholte]

Thanks for sharing Yannis...I'll put my money on the ACEA tests.

 

[yannis]

The funny thing is that my humble 10W40 passes all these tests and consequently the stringent ACEA A3-02...

 

[pscholte]

quote:

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Originally posted by yannis:
The funny thing is that my humble 10W40 passes all these tests and consequently the stringent ACEA A3-02...

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Then I wouldn't say it is so humble.

 

[yannis]

What do you think of it?

It is a semisynthetic with only 3% synthetic basestocks ?!!

 

[bruce381]

I think this is accuarte but if not someone jump in.

PAH is a group of compounds that can/do cause cancer.

Old style GP1 oils, Napthenics of low severity refining and some diesel type fuels.

It maybe shown due to the type of oils used as a "diluent" in some of the supplied additives.

Think stands for "Poly Aromatic Hydrocarbon"
of which there is none in a PAO or a GPII/GPIII oil.
bruce

 

[MolaKule]

HOB in this context refers to "Highly Over-Based." These calcium components are detergents and rust inhibitors.

The first component in the list is simply an amide borate ester.

The last item is an anti-oxidant.