CK4 Oil Update
Thread Starter
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Post Fiend
Joined: Apr 2004
Posts: 5,158
Likes: 35
From: North of Salt Lake City
CK4 Oil Update
This showed up on my recommended videos today. Looks like others are coming out with negative opinions on the new spec oil. Makes me really admire the Ford engineers who probably took plenty-O-heat from the EPA when they advised their owners not to use this junk.
Junior User
Joined: Jul 2017
Posts: 66
Likes: 0
Good topic to see. Been researching my first oil change for my new truck all night and even drove around to a number of places looking to see who stocks what. Pretty sure I'll be going with the Valvoline PBE when the time comes.
Elder User
Joined: Jan 2004
Posts: 566
Likes: 3
From: Florence SC
There are two important issues here:
1) Not all CK-4 oil is good oil
2) Ford 6.7 valvetrain is prone to wear
A lot of focus on the first item. Not as much on the second. Use the best oil you can find is my takeaway.
1) Not all CK-4 oil is good oil
2) Ford 6.7 valvetrain is prone to wear
A lot of focus on the first item. Not as much on the second. Use the best oil you can find is my takeaway.
Mountain Pass
Joined: Mar 2005
Posts: 244
Likes: 45
Glad i picked up a bunch of CJ4 Chevron Delo 5w40 full synthetic at walmart while still available. I ran the 15w40 in my 7.3 and was really happy with it. I noticed the Delo CK4 has a red cap, the CJ4 has a black cap. There was no ck4 5w40 on the shelves. I read that Chevron will have ck4 5w40 synthetic later this summer, don't know of any specs on it.
Thread Starter
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Post Fiend
Joined: Apr 2004
Posts: 5,158
Likes: 35
From: North of Salt Lake City
I think everyone who stockpiled CJ4 is glad they did it but there are plenty of good oils available also. It's just this watery CK4 that's proving to be inadequate. And what about all the other diesel engines out there? What about GM, Fiat and the bigger class? What about the passenger vehicles with diesel engines? Any high compression engine that is running CK4 is going to wear out twice as fast as with CJ4.
Let the conspiracy theories begin.
Let the conspiracy theories begin.
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Elder User
Joined: Jan 2004
Posts: 566
Likes: 3
From: Florence SC
A really good article (but dated) gives a good background for this topic: http://www.enginebuildermag.com/2012/03/zddp-when-where-what-why-how/
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Cross-Country
Joined: Sep 2011
Posts: 72
Likes: 6
From: Jasper, TN
What about this oil 15-40 full synthetic, priced right and available through Walmart via special order. Please let me know your thoughts.
https://www.mileslubricants.com/product/show/1360
https://www.mileslubricants.com/product/show/1360
