2020 Ford 6.7, CJ-4

Joined
Sep 26, 2010
Messages
9,297
Seriously doubt you would have any issues with it. Ford went off the rails about CK-4 and set their own specification that was not revealed until a few weeks before the debut of CK-4.At this stage of the game, they (Ford) typically states that >1000PPM of phosphorus is the limit for oils they prefer. I would run it without thinking twice.
 

CrazyMike

Thread starter
Joined
Jan 3, 2007
Messages
146
Location
Central BC, Canada
Thx gents, I'll keep running it, mineral for the summer, syn for the winter. Still has the 10w30 factory fill, will be doing UOA's with every change. I have a dozen or so sample kits here. Cheers!
 
Joined
Mar 21, 2004
Messages
27,420
Location
Near the beach in Delaware
Bypass filter kit recommended. (by me) And Krown. Between keeping the engine running and preventing rust truck should be good for 1M miles. I carry EGT sensor and appropriate wrench along with an OBDII adapter for my phone.
 
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Joined
Apr 22, 2020
Messages
50
Location
PA
x2 Looks like a good blend. Phosphorus and zinc are above 1000 ppm. Decent bit of boron as well. That is from a uoa i found posted in 2012. Assuming they didn't change the formula.... The oil in the uoa has a 235hr run on it.

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