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UOA--Supertech Severe Use on a 7.3 PSD #4892606
10/10/18 08:18 AM
10/10/18 08:18 AM
Joined: Feb 2008
Posts: 500
The American West
bbslider001 Offline OP
bbslider001  Offline OP

Joined: Feb 2008
Posts: 500
The American West
Here ya go...If you ever doubted "cheap" Walmart oil.


Screenshot_20181009-150241.png
Last edited by bbslider001; 10/10/18 08:19 AM.

Byron

1999 F-350 CCLB SRW 7.3, Supertech 15w-40 protected, 300k miles
1997 F-350 CCLB DRW 7.3, SOLD
2015 Kia Soul Plus



Re: UOA--Supertech Severe Use on a 7.3 PSD [Re: bbslider001] #4892640
10/10/18 08:57 AM
10/10/18 08:57 AM
Joined: Jun 2014
Posts: 2,277
Ca.
UncleDave Online content
UncleDave  Online Content

Joined: Jun 2014
Posts: 2,277
Ca.
Thanks.

What were you doing with the truck to categorize the use as "severe" ?

UD


Uncle Dave
Cat 3126/2 MB3500/Titan/RX400H/17 Ridgeline
700HP V10/ 725HP BBC/ Raptor 700/ KFX450/ YZ250/Onan 8K/ Cat3011C
Re: UOA--Supertech Severe Use on a 7.3 PSD [Re: bbslider001] #4892644
10/10/18 09:06 AM
10/10/18 09:06 AM
Joined: Sep 2018
Posts: 551
SE PA
diyjake Offline
diyjake  Offline

Joined: Sep 2018
Posts: 551
SE PA
Have you used anything else besides ST 15w-40 in this truck? Would be nice to see if another brand of oil had the same thing with thin viscosity like they mentioned in this UOA.

Re: UOA--Supertech Severe Use on a 7.3 PSD [Re: UncleDave] #4892676
10/10/18 09:27 AM
10/10/18 09:27 AM
Joined: Feb 2008
Posts: 500
The American West
bbslider001 Offline OP
bbslider001  Offline OP

Joined: Feb 2008
Posts: 500
The American West
Originally Posted by UncleDave
Thanks.

What were you doing with the truck to categorize the use as "severe" ?

UD


Mostly heavy towing all summer...12k # or more, lots of idling through cattle pastures, extreme summer temps, one long trip to pick up a trailer that was 15 hours away. Man, when I lay it all out, I am pretty impressed with this oil LOL. My oil temps never got above 225, so the truck does a great job of cooling even under pressure.


Byron

1999 F-350 CCLB SRW 7.3, Supertech 15w-40 protected, 300k miles
1997 F-350 CCLB DRW 7.3, SOLD
2015 Kia Soul Plus



Re: UOA--Supertech Severe Use on a 7.3 PSD [Re: diyjake] #4892678
10/10/18 09:28 AM
10/10/18 09:28 AM
Joined: Feb 2008
Posts: 500
The American West
bbslider001 Offline OP
bbslider001  Offline OP

Joined: Feb 2008
Posts: 500
The American West
Originally Posted by diyjake
Have you used anything else besides ST 15w-40 in this truck? Would be nice to see if another brand of oil had the same thing with thin viscosity like they mentioned in this UOA.


The PO used conventional Rotella religiously, but I have used ST since I have owned it. I bought it two years ago and have put about 50k on it since then.


Byron

1999 F-350 CCLB SRW 7.3, Supertech 15w-40 protected, 300k miles
1997 F-350 CCLB DRW 7.3, SOLD
2015 Kia Soul Plus



Re: UOA--Supertech Severe Use on a 7.3 PSD [Re: bbslider001] #4892688
10/10/18 09:39 AM
10/10/18 09:39 AM
Joined: Sep 2013
Posts: 11,110
Indiana
dlundblad Offline
dlundblad  Offline

Joined: Sep 2013
Posts: 11,110
Indiana
Is it severe use? Sounds more like it was used the way it was intended.

5k is pretty doable on just about any oil.

What does the owners manual say?


03 Jeep WJ 4.0 202k Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 158k M1 EP 10w30 Supertech ST3980 (Ecore)

Re: UOA--Supertech Severe Use on a 7.3 PSD [Re: bbslider001] #4892701
10/10/18 09:48 AM
10/10/18 09:48 AM
Joined: Sep 2018
Posts: 551
SE PA
diyjake Offline
diyjake  Offline

Joined: Sep 2018
Posts: 551
SE PA
This was ST conventional correct?

Re: UOA--Supertech Severe Use on a 7.3 PSD [Re: bbslider001] #4892769
10/10/18 10:41 AM
10/10/18 10:41 AM
Joined: Sep 2007
Posts: 1,235
TX, USA
JMJNet Offline
JMJNet  Offline

Joined: Sep 2007
Posts: 1,235
TX, USA
I have used this oil in my diesel truck for at least 2 years, there is nothing wrong with this oil.

I bought whatever is the cheapest. This time, the Mobil Delvac 1300S is cheaper after rebate.
So that is what I will use next.


  • 2017 Toyota Sienna
  • 1995 GMC Suburban 6.5L Turbo Diesel


Re: UOA--Supertech Severe Use on a 7.3 PSD [Re: bbslider001] #4892785
10/10/18 10:51 AM
10/10/18 10:51 AM
Joined: Sep 2018
Posts: 551
SE PA
diyjake Offline
diyjake  Offline

Joined: Sep 2018
Posts: 551
SE PA
Is this UOA is for ST conventional or synthetic?

Re: UOA--Supertech Severe Use on a 7.3 PSD [Re: dlundblad] #4892797
10/10/18 11:05 AM
10/10/18 11:05 AM
Joined: Mar 2006
Posts: 2,452
in the shop
sw99 Offline
sw99  Offline

Joined: Mar 2006
Posts: 2,452
in the shop
Originally Posted by dlundblad
Is it severe use? Sounds more like it was used the way it was intended.

5k is pretty doable on just about any oil.

What does the owners manual say?


Ahh yea sounds like what any manufacturer would considered severe use...

1) Mostly heavy towing all summer...12k # or more
2) Lots of idling through cattle pastures
3) Extreme summer temps, one long trip to pick up a trailer that was 15 hours away


2008 Toyota Corolla CE 1.8L
2016 Nissan Versa S 1.6L
2018 Subaru Outback 2.5i
2019 Ford F250 6.7L CCSB

Re: UOA--Supertech Severe Use on a 7.3 PSD [Re: bbslider001] #4892816
10/10/18 11:18 AM
10/10/18 11:18 AM
Joined: Feb 2008
Posts: 500
The American West
bbslider001 Offline OP
bbslider001  Offline OP

Joined: Feb 2008
Posts: 500
The American West
It is conventional. I swore off syns years sgo.


Byron

1999 F-350 CCLB SRW 7.3, Supertech 15w-40 protected, 300k miles
1997 F-350 CCLB DRW 7.3, SOLD
2015 Kia Soul Plus



Re: UOA--Supertech Severe Use on a 7.3 PSD [Re: bbslider001] #4892832
10/10/18 11:37 AM
10/10/18 11:37 AM
Joined: Sep 2018
Posts: 551
SE PA
diyjake Offline
diyjake  Offline

Joined: Sep 2018
Posts: 551
SE PA
To be honest I am impressed with your UOA for a cheap conventional oil. I would definitely agree with you that you put it through severe use.

What oil filter do you use?

Re: UOA--Supertech Severe Use on a 7.3 PSD [Re: diyjake] #4892853
10/10/18 12:01 PM
10/10/18 12:01 PM
Joined: Feb 2008
Posts: 500
The American West
bbslider001 Offline OP
bbslider001  Offline OP

Joined: Feb 2008
Posts: 500
The American West
Originally Posted by diyjake
To be honest I am impressed with your UOA for a cheap conventional oil. I would definitely agree with you that you put it through severe use.

What oil filter do you use?


Motorcraft from Walmart...10 bucks. They are well made and tough.


Byron

1999 F-350 CCLB SRW 7.3, Supertech 15w-40 protected, 300k miles
1997 F-350 CCLB DRW 7.3, SOLD
2015 Kia Soul Plus



Re: UOA--Supertech Severe Use on a 7.3 PSD [Re: bbslider001] #4892908
10/10/18 01:03 PM
10/10/18 01:03 PM
Joined: May 2012
Posts: 6,710
Fort Lauderdale, FL
DoubleWasp Offline
DoubleWasp  Offline

Joined: May 2012
Posts: 6,710
Fort Lauderdale, FL
Definitely what Ford would consider severe service conditions. Definitely performed well.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: UOA--Supertech Severe Use on a 7.3 PSD [Re: dlundblad] #4892954
10/10/18 01:45 PM
10/10/18 01:45 PM
Joined: Feb 2008
Posts: 500
The American West
bbslider001 Offline OP
bbslider001  Offline OP

Joined: Feb 2008
Posts: 500
The American West
Originally Posted by dlundblad
Is it severe use? Sounds more like it was used the way it was intended.

5k is pretty doable on just about any oil.

What does the owners manual say?


Yeah, I would say that's pretty severe considering dust conditions, dry grass, high outside temps, and the heavy towing for 75% of the miles used. "Normal" might be city driving, very little towing, and no dusty conditions. This was far from that, owners manual or not.


Byron

1999 F-350 CCLB SRW 7.3, Supertech 15w-40 protected, 300k miles
1997 F-350 CCLB DRW 7.3, SOLD
2015 Kia Soul Plus



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