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12500 miles. 425 hours. Schaeffers 132 added here so that should account for the higher visc

Are the other two are R.I.P.?

i picked up a 5 gallons pail of the maxima. Ended up under 7 dollars a quart in bulk. Little more expensive then say rotella, but I’ll probably run it to 7 to 8 hours per change. It’ll make up the price difference. Dirt bike engine oil off the check list for a while.

Gentlemen, I would like to gather thoughts that you may have on the add packs of these two oils. mobil 1 vtwin has lower flash and more additives, while maxima has higher flash and less adds. The M1 vtwin has a fairly stout add pack. I would like to understand from a tribology standpoint...

X2. Looks like an awesome report! 45k miles. Sheesh.

How often do you see regens?

Why is the flashpoint so high. Motorcraft 10w30 is around 445F virgin. Think maybe just an error on blackstones part?

Agreed. Any idea on hours in sump on this oci?

Looks awesome . Almost to 15k Mark. lead and tin appeared for the first time in this report? Any thoughts on it? 1 ppm isn’t anything to worry about. It’s just curious that it is there now when it wasn’t before.

I use a custom winter front (pipe insulation) for the winter. Helps to get temps up and keep them there. I just make sure to pull a few sections if it gets warm out or if I’m going to do a regen. I inhibit regens and usually shoot for 500 to 600 miles between them. Seems to be working well.

https://bobistheoilguy.com/forums/threads/2008-dodge-ram-3500-9100-miles-kendall-superdxa-15w40.334051/

The Kendall oil (and results) should be in line with the motorcraft diesel oils. As far as I know ConocoPhillips is the supplier for Kendall as well as motorcraft. That engine oxidizes the oil and causes it to thicken in short order.

Nice report. Where did you score the Kendall?

You are not helping my small thread jacking. Jk. There is a rattle that randomly happens at idle on some 6.7 power strokes. Especially after oil changes. I assume that it has to do with surface tension of the oil? Not too sure. However the rattle comes from the bottom end and a gentlemen that...

Thread jacking here. Two things I noticed regarding the ck4 t6. It immediately gave me thrust washer rattle on my 6.7 which I have not experienced running mc oil. Perhaps because of the 5w. Second point is that the surface tension of the oil appears to not be as high as the mc oil. When I pull...

I wasn't thinking of the performance improvements. It would drive me nuts not knowing if it was the t6 or the egr.... plus I purchased a bunch of ck4 t6 on sale and am currently running it in my 6.7 so I have a dog in the fight. We will see how it stacks up against a similar run of the mc 10w30...

AH, Factory fill on the 6.7 ps is 10w30 motorcraft diesel oil

I am curious to see how the mc oil stacks up in the same environment. one would assume that the t6 should hold up at least as well as the mc oil and vice versa. if you were to plug the egr in and run the mc oil for the same oci, and do not see a spike in oxidation, I would think the t6 is more...