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2014 F250 6.7L, Amsoil SS 5w40, 3.7% fuel #4711386
03/30/18 09:25 AM
03/30/18 09:25 AM
Joined: Feb 2016
Posts: 318
MD
claluja Offline OP
claluja  Offline OP
Joined: Feb 2016
Posts: 318
MD
Two reports below that analyzed the same oil, Amsoil SS 5w40 from my F250 6.7L.

In the Blackstone report, left column is Amsoil SS 5w40, far two right columns are Rotella T6 5w40, and the other column 1/28/18 is Red Line 15w40.







Last edited by claluja; 03/30/18 09:27 AM.

2014 F250 6.7L PSD
2006 Sequoia 4.7L
2005 E500 5.0L
2018 Jeep Rubicon, Pentastar 3.6L
Re: 2014 F250 6.7L, Amsoil SS 5w40, 3.7% fuel [Re: claluja] #4711396
03/30/18 09:31 AM
03/30/18 09:31 AM
Joined: Mar 2017
Posts: 6,522
...
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 6,522
...
Do you idle a lot?


Cannot see signatures any longer so it doesn’t matter.
Re: 2014 F250 6.7L, Amsoil SS 5w40, 3.7% fuel [Re: PimTac] #4711399
03/30/18 09:33 AM
03/30/18 09:33 AM
Joined: Feb 2016
Posts: 318
MD
claluja Offline OP
claluja  Offline OP
Joined: Feb 2016
Posts: 318
MD
Originally Posted By: PimTac
Do you idle a lot?


This OCI had very few short trips, and no extended idling.


2014 F250 6.7L PSD
2006 Sequoia 4.7L
2005 E500 5.0L
2018 Jeep Rubicon, Pentastar 3.6L
Re: 2014 F250 6.7L, Amsoil SS 5w40, 3.7% fuel [Re: claluja] #4711408
03/30/18 09:40 AM
03/30/18 09:40 AM
Joined: Sep 2014
Posts: 2,179
US-WA
Dyusik Online content
Dyusik  Online Content
Joined: Sep 2014
Posts: 2,179
US-WA
I would ignore the fuel. The oil is doing its job irrespective of the dilution. Keep on chuggin.


95 Cherokee 190K DELO 10W30, XG8
07 IS250 103K Napa 10w30, FULL
04 YZF-R1 19K DELO 15w40, XG7317
99 HD XL1200S 21K VR1 20w50, NG1515
14 RX450h 35k PP MIX, NG7047
Re: 2014 F250 6.7L, Amsoil SS 5w40, 3.7% fuel [Re: claluja] #4711411
03/30/18 09:47 AM
03/30/18 09:47 AM
Joined: May 2012
Posts: 1,839
The land of USA-made Subies!
SubieRubyRoo Offline
SubieRubyRoo  Offline
Joined: May 2012
Posts: 1,839
The land of USA-made Subies!
Is this the Amsoil DEO 5W40, the new Sig Series Diesel Oil? If so, virgin viscosity is around 15.4, and your sample is 12.4... which is a 20% loss in viscosity. I'm no dilution expert, but some rough math on super thin diesel fuel ([email protected]*C) shows your viscosity should have been around 14.9 with 3.7% fuel. This oil must really shear down in your application?

3.7% of 13 quarts- That's nearly half a quart of diesel in your oil... did the level on the dipstick show above your fill point before you drained it?

Re: 2014 F250 6.7L, Amsoil SS 5w40, 3.7% fuel [Re: claluja] #4711416
03/30/18 09:54 AM
03/30/18 09:54 AM
Joined: Oct 2004
Posts: 8,330
Cincinnati, OH, USA
bullwinkle Offline
bullwinkle  Offline
Joined: Oct 2004
Posts: 8,330
Cincinnati, OH, USA
I agree with the posters above-need to watch your oil levels closely, you might have an injector sticking open. I think I would be changing oil a little more often, maybe with a less expensive oil-but that's just me.


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: 2014 F250 6.7L, Amsoil SS 5w40, 3.7% fuel [Re: SubieRubyRoo] #4711440
03/30/18 10:21 AM
03/30/18 10:21 AM
Joined: Feb 2016
Posts: 318
MD
claluja Offline OP
claluja  Offline OP
Joined: Feb 2016
Posts: 318
MD
Originally Posted By: SubieRubyRoo
Is this the Amsoil DEO 5W40, the new Sig Series Diesel Oil? If so, virgin viscosity is around 15.4, and your sample is 12.4... which is a 20% loss in viscosity. I'm no dilution expert, but some rough math on super thin diesel fuel ([email protected]*C) shows your viscosity should have been around 14.9 with 3.7% fuel. This oil must really shear down in your application?

3.7% of 13 quarts- That's nearly half a quart of diesel in your oil... did the level on the dipstick show above your fill point before you drained it?


VOA for this oil is here. 14.5 viscosity per VOA.

www.bobistheoilguy.com/forums/ubbthreads...eri#Post4659791


2014 F250 6.7L PSD
2006 Sequoia 4.7L
2005 E500 5.0L
2018 Jeep Rubicon, Pentastar 3.6L
Re: 2014 F250 6.7L, Amsoil SS 5w40, 3.7% fuel [Re: bullwinkle] #4711441
03/30/18 10:21 AM
03/30/18 10:21 AM
Joined: Sep 2006
Posts: 1,631
California
oldmaninsc Offline
oldmaninsc  Offline
Joined: Sep 2006
Posts: 1,631
California
I'm a little confused. You have two reports from the same oil at the same time? In other words both reports were March 22, 2018 and yet one reports much higher fuel that the other?


2017 Chevrolet Traverse
2013 Chevrolet Impala LT
2005 Toyota Camry LE
2004 Mercury Grand Marquis LS, 1998 Ford F-150 XLT


Re: 2014 F250 6.7L, Amsoil SS 5w40, 3.7% fuel [Re: oldmaninsc] #4711481
03/30/18 11:03 AM
03/30/18 11:03 AM
Joined: Oct 2010
Posts: 1,829
.
Danh Offline
Danh  Offline
Joined: Oct 2010
Posts: 1,829
.
Originally Posted By: oldmaninsc
I'm a little confused. You have two reports from the same oil at the same time? In other words both reports were March 22, 2018 and yet one reports much higher fuel that the other?


Yes. As has been discussed here many, many times, Blackstone’s method for determining fuel dilution is essentially worthless and seems to consistently underestimate contamination. Oil Alayzers uses gas chromatography, which is much more reliable.

There have been a number of examples here where the same sample was sent to Blackstone and OAI and Blackstone is much lower.

Re: 2014 F250 6.7L, Amsoil SS 5w40, 3.7% fuel [Re: Danh] #4711852
03/30/18 07:31 PM
03/30/18 07:31 PM
Joined: Sep 2006
Posts: 1,631
California
oldmaninsc Offline
oldmaninsc  Offline
Joined: Sep 2006
Posts: 1,631
California
Originally Posted By: Danh
Originally Posted By: oldmaninsc
I'm a little confused. You have two reports from the same oil at the same time? In other words both reports were March 22, 2018 and yet one reports much higher fuel that the other?


Yes. As has been discussed here many, many times, Blackstone’s method for determining fuel dilution is essentially worthless and seems to consistently underestimate contamination. Oil Alayzers uses gas chromatography, which is much more reliable.

There have been a number of examples here where the same sample was sent to Blackstone and OAI and Blackstone is much lower.


Thanks for explaining that. I don't usually spend much time in the UOA section, but this one just happen to catch my eye in the recent topics but I have often wondered about the accuracy of these reports. Part of my point was people were mentioning the fuel dilution and not even questioning which report was accurate.

So all the UOA's that are from Blackstone could be considered invalid data - in so far as the fuel dilution is concerned? Interesting!


2017 Chevrolet Traverse
2013 Chevrolet Impala LT
2005 Toyota Camry LE
2004 Mercury Grand Marquis LS, 1998 Ford F-150 XLT


Re: 2014 F250 6.7L, Amsoil SS 5w40, 3.7% fuel [Re: claluja] #4711893
03/30/18 08:22 PM
03/30/18 08:22 PM
Joined: Nov 2017
Posts: 381
North of you Idaho
KneeGrinder Online content
KneeGrinder  Online Content
Joined: Nov 2017
Posts: 381
North of you Idaho
Have your injector pulse width rates checked, you most likely have an injector out of balance with a high return rate. Unfortunately it means replacing an injector, its the down fall of the botch/Bosch common rail fuel injection system. Sorry, some of mine are out too.

There is an app for your phone, and you can buy an obd2 adaptor if you don't have a programmer. You can then read all perimeters and sensors of your engine.


08 Tribeca 86k PUP 5w30 wix
06 Accord Hybrid 134k PPHM 0w20 wix
02 Chevy k3500 99k Delvac 1 esp 5w40 wix
00 F350 136k Delvac 1300 15w40 wix

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