Amsoil EAO98 - Page 6 - Ford Powerstroke Diesel Forum
General 6.7 Discussion (2011-2016) General 6.7 Discussion

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post #51 of 73 Old 11-01-2018, 06:53 AM
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Originally Posted by Lightning546 View Post
If you're running Amsoil you can go a max of 3 times the recommended change interval, oil analysis is an absolute necessity and cheap insurance when running extended drain intervals.
1. Be careful of marketing hype, if you go to a manufactures website of course they manufacture the best of the best. Bottom line is their are only 4x oil filter manufacturers globally.

2. Would love to see your oil analysis
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post #52 of 73 Old 11-01-2018, 07:10 AM
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Bottom line is their are only 4x oil filter manufacturers globally.
This is true, but they are not all the same filter from each one. As an example, Hiflofiltro used to make K&N filters. The outward appearance was the same but if you opened them up they were very different. Sadly, K&N decided to shave a few pennies and have them made elsewhere and now they rupture.
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post #53 of 73 Old 11-01-2018, 08:06 AM
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This is true, but they are not all the same filter from each one. As an example, Hiflofiltro used to make K&N filters. The outward appearance was the same but if you opened them up they were very different. Sadly, K&N decided to shave a few pennies and have them made elsewhere and now they rupture.
Very true ie; the Motorcraft oil filter is a Purolator Pure one with some modifications.

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post #54 of 73 Old 11-01-2018, 08:47 AM
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Very true ie; the Motorcraft oil filter is a Purolator Pure one with some modifications.
That's interesting. I wonder why the difference in efficiency ratings between the Purolator and the MC labeled one.
This is a deep dark rabbit hole which we have gone down
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post #55 of 73 Old 11-01-2018, 09:18 AM
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Attached is a great comparison of Motorcraft filters vs the competition
Attached Files
File Type: pdf motorcraft_filter_compare.pdf (2.10 MB, 27 views)

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post #56 of 73 Old 11-01-2018, 01:29 PM
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Quote:
Originally Posted by F250_SUPER_4x4 View Post
1. Be careful of marketing hype, if you go to a manufactures website of course they manufacture the best of the best. Bottom line is their are only 4x oil filter manufacturers globally.

2. Would love to see your oil analysis
Here you go, I just went over 15K miles on the truck today and when I got these results from the lab I installed the remote filter system and changed the oil, in about 5K I'll submit a new sample.
Ask and ye shall receive,
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post #57 of 73 Old 11-01-2018, 01:57 PM
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Quote:
Originally Posted by Lightning546 View Post
Here you go, I just went over 15K miles on the truck today and when I got these results from the lab I installed the remote filter system and changed the oil, in about 5K I'll submit a new sample.
Ask and ye shall receive,
The sample has a little chart that rates overall report 0-4 rating 0 being normal and 4 being critical. Yours is labeled 3 in upper abnormal and it stated fuel dilution has reduced the oils viscosity below grade. They recommend re sample at half interval from this current sample.

Assuming your are undeleted and running a tuner or?

sorry didn't see mods section etc.

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post #58 of 73 Old 11-01-2018, 02:47 PM
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Quote:
Originally Posted by Lightning546 View Post
Here you go, I just went over 15K miles on the truck today and when I got these results from the lab I installed the remote filter system and changed the oil, in about 5K I'll submit a new sample.
Ask and ye shall receive,
Here is my analysis of your UOA:

High iron wear typically associated with cylinder sleeve wear
Moderate/high copper wear typically associated with bearings
Silicone is moderate, check/replace air filter
Viscosity is critical low which is going to cause more internal damage every mile you continue to drive.
Base Number is critically low, same as above


Recommendation: Change oil and oil filter immediately!!! Execute oil and filter change at 6k and reanalyze UOA.

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post #59 of 73 Old 11-01-2018, 04:08 PM
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FWIW I believe Amsoil filters are still made by Donaldson, and are a very good filter. If you want to bypass the marketing scheme of Amsoil but still get the filter I believe they are a good option.
https://shop.donaldson.com/store/en-...P502503/62828#

I have also used Amsoil for years, but I have never been able to bring myself to take the full ride to 25,000 miles. I usually end up changing it at around 15,000 or so, and I donít worry too much if I go over a little. I have also never had an oil sample sent in.
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post #60 of 73 Old 11-01-2018, 05:02 PM
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Quote:
Originally Posted by JustinOOO9 View Post
The sample has a little chart that rates overall report 0-4 rating 0 being normal and 4 being critical. Yours is labeled 3 in upper abnormal and it stated fuel dilution has reduced the oils viscosity below grade. They recommend re sample at half interval from this current sample.

Assuming your are undeleted and running a tuner or?

sorry didn't see mods section etc.
The only mods to my truck/power train are the Amsoil dual bypass remote oil filter system and a K&N air filter, I also have train horns and more lights so it really stands out at night, if you can't see my truck at night you need to go to the eye Dr.

The day I submitted the oil sample is the day I changed the oil and installed the filter system.

I left on a 400 mile week long camping trip the next day and I've put another 800 or so miles on it since we got back on Aug 30th.

High fuel dilution in the 6.7L PS is a very well known issue, if you're mainly putting the miles on it from long trips it isn't as bad as if you are mainly driving around town with occasional highway trips of short duration (less than 100 miles). City driving also causes the truck to do more frequent regeneration cycles (DPF cleaning) that also makes your DEF tank to empty faster as a full tank is supposed to be enough to drive 10,000 miles. Because of the fuel dilution issues I will probably never leave the oil in the engine for more than 10-15K miles, and I've already gone from the 10K change interval that the manual says to use to 7,500 miles max.

Once I have 5K miles on the oil I'll submit another oil sample for analysis, hopefully it will have better results than the first one had.

I bought the truck in April 2016 and just today went over 15K miles on it. Being retired and on a fixed income means I have to save for camping trips, especially @ 10 mpg towing, diesel isn't cheap anymore. When diesel was over $5 a gallon I was really crying as I was putting 200 gallons in my Peterbilt every other day, I really miss that truck at times.
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