Blackstone versus oil analyzers

[Wabujitsu]

Haha interesting. I just really like this dang Jeep so I started having the oil analysis done in the hope I’d spot something going wrong before it became noticeable in more dramatic ways. Maybe I bought into the marketing… . I guess I also nerd out on the data a little bit.

Honestly I also question the value of them since I doubt if a dealership would, or would be allowed, to do warranty work based on a UOA. For sure I have concluded the more I know about what’s going on, the more I worry.

Regarding my “high” aluminum finding, I was scouring the internet and I rarely found a report with anything below mine. Only a few with 5 or 6. Most were in the 30-40ppm range. My 4 samples so far show 12, 12, 7, and now 11. The low one (7) was oil from a road trip where I was doing a LOT of manual shifting to keep the RPMs high.

There is a theory out there that these motors produce a lot of aluminum from the factory TCM tune lugging the engine. There may be some truth to that.

Brad, thanks for explaining that to me.

What level is “too much” aluminum? Can that be mitigated in any way? I can see where this could get REALLY complicated.

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[BDinTX]

Brad, thanks for explaining that to me.

What level is “too much” aluminum? Can that be mitigated in any way? I can see where this could get REALLY complicated.

I’m far from an expert but our 2.0T had only 2ppm. The average for all EcoDiesels they test for is 6. That’s wayyy less than what I was seeing last night searching out EcoDiesel UOAs. They say aluminum is either piston wear or main journal bearings so I think the best way to mitigate it is to trade it in but I don’t want to just yet