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Amsoil 15w-40 at 5.2k mi; 6.0L PSD; 167k miles #4649327
01/28/18 05:59 PM
01/28/18 05:59 PM
Joined: Jan 2018
Posts: 272
Missouri
BigShug681 Offline OP
BigShug681  Offline OP

Joined: Jan 2018
Posts: 272
Missouri
Just giving a view of my oil analysis would love some input also potassium is high because I used archoil prior to this oil change

Last edited by dnewton3; 01/29/18 07:58 AM.

2006 F350 DRW 6.0 PSD with a ZF6 6Speed. If you can't find it or float it then just grind it
Re: Amsoil MaxDuty 15w40 [Re: BigShug681] #4649797
01/29/18 07:57 AM
01/29/18 07:57 AM
Joined: May 2007
Posts: 7,810
Indianapolis, IN
dnewton3 Offline
Global Moderator
dnewton3  Offline
Global Moderator

Joined: May 2007
Posts: 7,810
Indianapolis, IN
1) welcome to the site
2) wear data looks very good
3) do you have any degas bottle spillage? Curious if this could be an onset of cooler concerns
4) has the vehicle received any updates to address oil cooler issues?



PS - please follow our convention of thread titles; helps with searches in the future. I've updated it for you.


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: Amsoil MaxDuty 15w40 [Re: dnewton3] #4649940
01/29/18 10:38 AM
01/29/18 10:38 AM
Joined: Jan 2018
Posts: 272
Missouri
BigShug681 Offline OP
BigShug681  Offline OP

Joined: Jan 2018
Posts: 272
Missouri
No only thing thatís been done is head studs, itís not loosing coolant I think itís just left over from when I used archoil in the previous oil change, Iím waiting on oil to come in so I can change it again and see if the potassium goes down. Iíve made it to 12k miles on this oci and with it being my first use of amsoil I think my next run I can get an easy 15k. Also thanks for fixing it lol


2006 F350 DRW 6.0 PSD with a ZF6 6Speed. If you can't find it or float it then just grind it
Re: Amsoil MaxDuty 15w40 [Re: BigShug681] #4743099
04/30/18 08:42 AM
04/30/18 08:42 AM
Joined: May 2010
Posts: 1,246
Ocala, Florida
racin4ds Offline
racin4ds  Offline

Joined: May 2010
Posts: 1,246
Ocala, Florida
Why does the oil report state Amsoil 5W30 was the viscosity?


Just say NO to thin oils and M1!
05 F350 Powerstroke
05 Hyundai Tucson
08 Legacy GT
Re: Amsoil MaxDuty 15w40 [Re: racin4ds] #4743415
04/30/18 01:07 PM
04/30/18 01:07 PM
Joined: Feb 2016
Posts: 411
MD
claluja Offline
claluja  Offline

Joined: Feb 2016
Posts: 411
MD
Originally Posted By: racin4ds
Why does the oil report state Amsoil 5W30 was the viscosity?


And lube time on report says 10k (conflicting with the title)??

Wear numbers and fuel dilution look good.

Last edited by claluja; 04/30/18 01:09 PM.

2014 F250 6.7L PSD
2006 Sequoia 4.7L
2005 E500 5.0L
2018 Jeep Rubicon, Pentastar 3.6L
Re: Amsoil MaxDuty 15w40 [Re: BigShug681] #4847606
08/22/18 12:32 PM
08/22/18 12:32 PM
Joined: Jul 2017
Posts: 4
Florida
Stewie1350 Offline
Stewie1350  Offline

Joined: Jul 2017
Posts: 4
Florida
Is this the diesel oil or car oil im running amsoil sig series 5w30 and the additives in this oil is awesome. shocked

Last edited by Stewie1350; 08/22/18 12:33 PM.
Re: Amsoil MaxDuty 15w40 [Re: Stewie1350] #4883815
09/30/18 02:02 PM
09/30/18 02:02 PM
Joined: Jan 2018
Posts: 272
Missouri
BigShug681 Offline OP
BigShug681  Offline OP

Joined: Jan 2018
Posts: 272
Missouri
This was the max duty 5w40, I switched over to the diesel and marine 15w40 since it’s more for trucks pre dpf


2006 F350 DRW 6.0 PSD with a ZF6 6Speed. If you can't find it or float it then just grind it
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