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2018 F250 Powerstroke 6.7 #4965574
12/30/18 07:45 PM
12/30/18 07:45 PM
Joined: Jan 2017
Posts: 69
Michigan
Buzzinhalfdozen Offline OP
Buzzinhalfdozen  Offline OP

Joined: Jan 2017
Posts: 69
Michigan
This is the second analysis 8550 miles on 10 quarts rotella t5 cj4 10w-30 and 3 quarts rotella t5 ck4 10w-30. Copper and silicon trending down. Iron is up but the miles are almost double the last interval and iron could still be a combination of break in and increased wear from towing 15k on weekends.

Delo 10w-30 cj4 went in.

IMG9569341.jpg

1999 Jeep Cherokee sport 4.0L
2015 Jeep Cherokee 3.2L
Re: 2018 F250 Powerstroke 6.7 [Re: Buzzinhalfdozen] #4965686
12/30/18 09:50 PM
12/30/18 09:50 PM
Joined: Oct 2004
Posts: 3,271
Midwest, Illinois
beanoil Offline
beanoil  Offline

Joined: Oct 2004
Posts: 3,271
Midwest, Illinois
Fuel at zero after 8500 miles? Did they test, because most 6.7 will show a few percent of fuel over an OCI.
10.5 still puts you in the 30 weight range, so it could be correct.
Nothing wrong with 30 weight and your use I can see.


beanoil: Tough under heat, real dirty afterwards.
Re: 2018 F250 Powerstroke 6.7 [Re: Buzzinhalfdozen] #4965814
12/31/18 12:26 AM
12/31/18 12:26 AM
Joined: Aug 2006
Posts: 9,989
Central Washington
Colt45ws Offline
Colt45ws  Offline

Joined: Aug 2006
Posts: 9,989
Central Washington
Looks real good. Iron will track with miles so dont be concerned. Keep rolling! You have a great engine there. How long are you planning on running this time around? I wouldnt hesitate 10-15k.


-Colton
2002 Ford Crown Vic PI 207k, Ex-Kootenai County, ID Unit #42
Down for engine swap
2003 Ford Crown Vic PI 86k
Pennzoil Conv HM 5W30, Fram XG2
Re: 2018 F250 Powerstroke 6.7 [Re: Buzzinhalfdozen] #4965859
12/31/18 06:40 AM
12/31/18 06:40 AM
Joined: May 2007
Posts: 7,809
Indianapolis, IN
dnewton3 Offline
Global Moderator
dnewton3  Offline
Global Moderator

Joined: May 2007
Posts: 7,809
Indianapolis, IN
Looks good, alright. Probably a tad bit of break-in was still occurring in this UOA.
Nothing but good fortune seems possible moving forward.
If the trends continue, 10-15k mile OCIs are certainly in the realm of reasonable.


The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: 2018 F250 Powerstroke 6.7 [Re: Buzzinhalfdozen] #4965881
12/31/18 07:46 AM
12/31/18 07:46 AM
Joined: Jan 2017
Posts: 69
Michigan
Buzzinhalfdozen Offline OP
Buzzinhalfdozen  Offline OP

Joined: Jan 2017
Posts: 69
Michigan
Beanoil I'll have to get back to you on fuel I don't know if they do or not for certain.

Will run this change to full olm interval. Olm seems to want to do 9-10k so this time it will.
Probably won't try extended drain while under warranty but it's nice to know it could go over a few miles and not have to worry.


1999 Jeep Cherokee sport 4.0L
2015 Jeep Cherokee 3.2L
Re: 2018 F250 Powerstroke 6.7 [Re: Buzzinhalfdozen] #4966286
12/31/18 05:10 PM
12/31/18 05:10 PM
Joined: Feb 2016
Posts: 411
MD
claluja Offline
claluja  Offline

Joined: Feb 2016
Posts: 411
MD
Looks good. Fuel dilution is typically the limiting factor for OCIs on the 6.7. So if you ever consider extending an OCI past 7-9K, use a lab that uses gas chromotagraphy (GC) to measure fuel dilution so that get an actual fuel dilution measurement.


2014 F250 6.7L PSD
2006 Sequoia 4.7L
2005 E500 5.0L
2018 Jeep Rubicon, Pentastar 3.6L
Re: 2018 F250 Powerstroke 6.7 [Re: Buzzinhalfdozen] #4970410
01/05/19 11:20 AM
01/05/19 11:20 AM
Joined: Mar 2006
Posts: 2,401
in the shop
sw99 Offline
sw99  Offline

Joined: Mar 2006
Posts: 2,401
in the shop
Looks great thanks for the post. I am thinking T5 CK4 10w30 year round for mine.


2016 Nissan Versa S 1.6L
2018 Subaru Outback 2.5i
2019 Ford F250 6.7L CCSB

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