" Ford also announced that API FA-4 oils should not be used in their diesel vehicles at this time. AP
I CK
-4 oils that meet
the new Ford Material Engineering Specification WSS-M2C171-F1 may be used. In addition, oils labeled A
PI C
J-4 may
also continue to be used.
The new Ford specification includes a minimum 0.10% phosphorus limit and additive companies/marketers must
demonstrate that new technologies are suitable for their medium-duty diesel engines. This can be done via proven
field performance or via a new Ford 6.7L valve train wear test that Ford expects to be available by end of 1
Q 20
17. The
first Ford approval list will be available online in December.
Marketers are now working to get their official OEM approvals in place, to update their labels and marketing
literature and to educate end users on the value of these oils.
This is proving to be quite a challenge due to complex approval procedures, along with the sheer number of approvals,
just before first licensing of PC-11"
From Infineum's website...
http://www.infineuminsight.com/trends/pc-11/latest-pc-11-news