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2017 6.7 Powerstroke UOA #5415381 04/28/20 08:14 AM
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PDRig Online Content OP
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10,000 miles/425 Hours on oil. 25,200 miles on unit. Motorcraft dino 10w30 diesel oil with 13 ounces of Schaeffer 132 added. 1 ounce zddp added halfway through the run to help boost numbers (probably will not do this again this oil change). . Let me know what you guys think.


[Linked Image]

Re: 2017 6.7 Powerstroke UOA [Re: PDRig] #5415422 04/28/20 09:09 AM
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Donald Offline
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Its still breaking in. This OCI started at 15K and went to 25K.

The next one will be a good baseline. TBN is good for dino oil.

Iron is high but assume from break-in.


2015 Ford F-250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: 2017 6.7 Powerstroke UOA [Re: PDRig] #5415441 04/28/20 09:35 AM
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2015_PSD Offline
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Iron seems high compared to the UOAs I did on my 2015. I averaged 15PPM for 5K OCIs and even if I tripled that amount for a 10K OCI (which it would not be), the iron in your UOA is still much higher than that. There does not seem to be dilution happening (provided the test was performed with a gas chromatograph), so it is a bit of a mystery what is driving the higher iron levels.


2019 o)|||||(o Rubicon Wrangler Unlimited 3.6L V6 [Castrol Edge + Ultra]
2018 Mercedes Benz C300 2.0L Turbo [Pennzoil Platinum + Mann filter]
Re: 2017 6.7 Powerstroke UOA [Re: PDRig] #5415577 04/28/20 12:24 PM
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How often does it regen? I agree iron is high. I am a little skeptical of the fuel number.

This is JMO, but I would try a 15w40 and see what your iron numbers look like.

Last edited by mattd; 04/28/20 12:25 PM.

2007 Ford F-350 4x4 6.0 PSD

ASE Master, L1, L2
Re: 2017 6.7 Powerstroke UOA [Re: mattd] #5415834 04/28/20 05:37 PM
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I use the inhibit feature and stretch it usually to 500 miles between regens.

Re: 2017 6.7 Powerstroke UOA [Re: PDRig] #5416349 04/29/20 11:28 AM
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Originally Posted by PDRig
I use the inhibit feature and stretch it usually to 500 miles between regens.
Do the regens run for about 30 minutes or so when they do run or longer? I had higher fuel dilution during the winter months, but still did not have iron levels that high and am also very skeptical the engine is still breaking in and thus the reason for the higher iron (mine had leveled off by 10K miles). Silicon is not very high either, so certainly a mystery. What about your use case? Lots of towing or heavy loads? The universal average for Fe is 32PPM and 6,500 miles for a 6.7L PSD (from Blackstone).


2019 o)|||||(o Rubicon Wrangler Unlimited 3.6L V6 [Castrol Edge + Ultra]
2018 Mercedes Benz C300 2.0L Turbo [Pennzoil Platinum + Mann filter]
Re: 2017 6.7 Powerstroke UOA [Re: 2015_PSD] #5416358 04/29/20 11:50 AM
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Originally Posted by 2015_PSD
Originally Posted by PDRig
I use the inhibit feature and stretch it usually to 500 miles between regens.
Do the regens run for about 30 minutes or so when they do run or longer? I had higher fuel dilution during the winter months, but still did not have iron levels that high and am also very skeptical the engine is still breaking in and thus the reason for the higher iron (mine had leveled off by 10K miles). Silicon is not very high either, so certainly a mystery. What about your use case? Lots of towing or heavy loads? The universal average for Fe is 32PPM and 6,500 miles for a 6.7L PSD (from Blackstone).


Regens usually last 20-30 minutes.

Around 25 percent towing if I had to guess. Towing pretty heavy.

My thought process for the high iron, is the time in the sump. I have 425 hours on this oil sample. I have not seen a lot of people posting hours and mileage together. A few I had seen on bitog were around 200 hours and 10000 miles. With iron around 20-30 ppm range. My run is similar miles, double the hours. Loosely, that puts that same engine at 40-60 ppm iron if I would double the hours. Thoughts?

Re: 2017 6.7 Powerstroke UOA [Re: PDRig] #5416516 04/29/20 02:30 PM
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2015_PSD Offline
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Originally Posted by PDRig
My thought process for the high iron, is the time in the sump. I have 425 hours on this oil sample. I have not seen a lot of people posting hours and mileage together. A few I had seen on bitog were around 200 hours and 10000 miles. With iron around 20-30 ppm range. My run is similar miles, double the hours. Loosely, that puts that same engine at 40-60 ppm iron if I would double the hours. Thoughts?
It could be, I did not look at the hours so much on my PSD because I had a fair amount of highway miles and thus sump time was not as important. However, (provided my math is correct); 10,000 miles over 425 hours equates to 23.5MPH average (which indicates some low speed/idling) which promotes more soot production.

I would expect your regens to be happening more frequently than every 500 miles (even with the inhibitor) which could mean your fuel dilution is higher than what is being shown. BUT (there always is) your viscosity was [email protected]°C and the virgin numbers from the Motorcraft PDS for 10W-30 (https://parts.ford.com/content/dam/...f/10W_30_Super_Duty_Diesel_Motor_Oil.pdf) is [email protected]°C so your oil thickened slightly which is direct conflict to fuel dilution thinning.

In the end, I think you are "ok" and would just monitor next few OCs to see if this is a normal trend and go from there.


2019 o)|||||(o Rubicon Wrangler Unlimited 3.6L V6 [Castrol Edge + Ultra]
2018 Mercedes Benz C300 2.0L Turbo [Pennzoil Platinum + Mann filter]
Re: 2017 6.7 Powerstroke UOA [Re: Donald] #5416535 04/29/20 02:55 PM
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Provi Offline
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Originally Posted by Donald
Its still breaking in. This OCI started at 15K and went to 25K.

The next one will be a good baseline. TBN is good for dino oil.

Iron is high but assume from break-in.


I agree. Here are 5 UOAs of my TDI over 50k miles

[Linked Image]


14 VW JSW TDI, Total Quartz Ineo Long Life 5w30
15 VW GSW TDI, Valvoline SYNpower XL-III 5w30
Re: 2017 6.7 Powerstroke UOA [Re: PDRig] #5416584 04/29/20 03:38 PM
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PDRig - here are 10 UOAs over 50K miles on my PSD to give you some data from the same engine family. I towed about 20K of those miles (typically some in each UOA). The dotted trend line is for iron (the vertical axis is PPM):

[Linked Image from iili.io]


2019 o)|||||(o Rubicon Wrangler Unlimited 3.6L V6 [Castrol Edge + Ultra]
2018 Mercedes Benz C300 2.0L Turbo [Pennzoil Platinum + Mann filter]
Re: 2017 6.7 Powerstroke UOA [Re: 2015_PSD] #5416845 04/29/20 08:51 PM
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PDRig Online Content OP
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Originally Posted by 2015_PSD
Originally Posted by PDRig
My thought process for the high iron, is the time in the sump. I have 425 hours on this oil sample. I have not seen a lot of people posting hours and mileage together. A few I had seen on bitog were around 200 hours and 10000 miles. With iron around 20-30 ppm range. My run is similar miles, double the hours. Loosely, that puts that same engine at 40-60 ppm iron if I would double the hours. Thoughts?

It could be, I did not look at the hours so much on my PSD because I had a fair amount of highway miles and thus sump time was not as important. However, (provided my math is correct); 10,000 miles over 425 hours equates to 23.5MPH average (which indicates some low speed/idling) which promotes more soot production.

I would expect your regens to be happening more frequently than every 500 miles (even with the inhibitor) which could mean your fuel dilution is higher than what is being shown. BUT (there always is) your viscosity was [email protected]°C and the virgin numbers from the Motorcraft PDS for 10W-30 (https://parts.ford.com/content/dam/...f/10W_30_Super_Duty_Diesel_Motor_Oil.pdf) is [email protected]°C so your oil thickened slightly which is direct conflict to fuel dilution thinning.

In the end, I think you are "ok" and would just monitor next few OCs to see if this is a normal trend and go from there.



You are correct. 23-24 mph is the average I have been seeing.

Increased vis may also be due to the schaeffer 132. Vis is [email protected] That’s why I use 1 ounce per quart.

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