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New Rotella T6 formulation in WRX? #4457955
07/13/17 08:06 AM
07/13/17 08:06 AM
Joined: Jun 2015
Posts: 54
Houston, TX
dmhudson91 Offline OP
dmhudson91  Offline OP
Joined: Jun 2015
Posts: 54
Houston, TX
Hi all,

A little behind the 8-ball here. My beloved RT6 as you probably know has switched formulations as of beginning of the year. Is this oil still safe to run in my EJ255 post-change?

TIA

Re: New Rotella T6 formulation in WRX? [Re: dmhudson91] #4457963
07/13/17 08:11 AM
07/13/17 08:11 AM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline
Joined: Jan 2017
Posts: 1,139
USA
Originally Posted By: dmhudson91
Hi all,

A little behind the 8-ball here. My beloved RT6 as you probably know has switched formulations as of beginning of the year. Is this oil still safe to run in my EJ255 post-change?

TIA


This is just my opinion but based on fairly extensive research, I have not found any downside to switching to the new CK-4/SN formulation in your WRX.

I look forward to the next year as various vehicles begin submitting UOAs on these new API formulations.


Multiple Diesel and Gasoline vehicles
Re: New Rotella T6 formulation in WRX? [Re: dmhudson91] #4457968
07/13/17 08:15 AM
07/13/17 08:15 AM
Joined: Jun 2015
Posts: 54
Houston, TX
dmhudson91 Offline OP
dmhudson91  Offline OP
Joined: Jun 2015
Posts: 54
Houston, TX
Thanks. I slapped it in my car 2,500 miles ago without realizing it was a new formulation. Should have a UOA up in here in the next month or two when I hit my 4k mile interval.

Re: New Rotella T6 formulation in WRX? [Re: dmhudson91] #4458013
07/13/17 08:53 AM
07/13/17 08:53 AM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline
Joined: Jan 2017
Posts: 1,139
USA
I should have asked if you are using T6 10w30 or 5w40.

I recall there was some concern the T6 in CJ-4 had a high NOACK value...it caused some bickering in a Subaru site for EJ engines.

Do you remember that a couple years ago?

Hopefully someone more experienced will chime in.


Multiple Diesel and Gasoline vehicles
Re: New Rotella T6 formulation in WRX? [Re: dmhudson91] #4458017
07/13/17 08:54 AM
07/13/17 08:54 AM
Joined: Jun 2015
Posts: 54
Houston, TX
dmhudson91 Offline OP
dmhudson91  Offline OP
Joined: Jun 2015
Posts: 54
Houston, TX
I have always used 5W-40 and have had great blackstone UOAs

Re: New Rotella T6 formulation in WRX? [Re: ArcticDriver] #4458199
07/13/17 11:58 AM
07/13/17 11:58 AM
Joined: Nov 2013
Posts: 3,212
Kentucky
Ramblejam Offline
Ramblejam  Offline
Joined: Nov 2013
Posts: 3,212
Kentucky
Originally Posted By: ArcticDriver
This is just my opinion but based on fairly extensive research, I have not found any downside to switching to the new CK-4/SN formulation in your WRX.


There's no such thing as a "CK-4/SN" formulation; it's CK-4 only, with no gas engine approval.

http://www.shell-livedocs.com/data/published/en-US/9b43c4f8-b8c4-4833-b0c5-9c9bce5cde92.pdf

You can also check the current API licensing info and see the only Rotella CK-4/SN product remains Multi-Vehicle 5w-30.

https://engineoil.api.org/Directory/EolcsSearch

Re: New Rotella T6 formulation in WRX? [Re: Ramblejam] #4458217
07/13/17 12:17 PM
07/13/17 12:17 PM
Joined: Jun 2015
Posts: 4,225
New England
Virtus_Probi Offline
Virtus_Probi  Offline
Joined: Jun 2015
Posts: 4,225
New England
Originally Posted By: Ramblejam
Originally Posted By: ArcticDriver
This is just my opinion but based on fairly extensive research, I have not found any downside to switching to the new CK-4/SN formulation in your WRX.


There's no such thing as a "CK-4/SN" formulation; it's CK-4 only, with no gas engine approval.

http://www.shell-livedocs.com/data/published/en-US/9b43c4f8-b8c4-4833-b0c5-9c9bce5cde92.pdf

You can also check the current API licensing info and see the only Rotella CK-4/SN product remains Multi-Vehicle 5w-30.

https://engineoil.api.org/Directory/EolcsSearch


Does the product in bold really exist???


2014 Forester XT, 86000 miles
Last Change;
M1 5W30 d1G2
Tokyo Roki 15208AA170 filter
Re: New Rotella T6 formulation in WRX? [Re: dmhudson91] #4458222
07/13/17 12:27 PM
07/13/17 12:27 PM
Joined: Jun 2015
Posts: 54
Houston, TX
dmhudson91 Offline OP
dmhudson91  Offline OP
Joined: Jun 2015
Posts: 54
Houston, TX
It's extremely hard to find...

Re: New Rotella T6 formulation in WRX? [Re: Ramblejam] #4458234
07/13/17 12:42 PM
07/13/17 12:42 PM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline
Joined: Jan 2017
Posts: 1,139
USA
Originally Posted By: Ramblejam
Originally Posted By: ArcticDriver
This is just my opinion but based on fairly extensive research, I have not found any downside to switching to the new CK-4/SN formulation in your WRX.


There's no such thing as a "CK-4/SN" formulation; it's CK-4 only, with no gas engine approval.

http://www.shell-livedocs.com/data/published/en-US/9b43c4f8-b8c4-4833-b0c5-9c9bce5cde92.pdf

You can also check the current API licensing info and see the only Rotella CK-4/SN product remains Multi-Vehicle 5w-30.

https://engineoil.api.org/Directory/EolcsSearch


Darn,
Thank you for your correction...I was careless.
It is too high in Phosphorus and Zinc to meet SN limits but Wikipedia had shown the CJ-4 as SM also.

https://en.wikipedia.org/wiki/Shell_Rotella_T#Product_lineup


Multiple Diesel and Gasoline vehicles
Re: New Rotella T6 formulation in WRX? [Re: Virtus_Probi] #4458235
07/13/17 12:43 PM
07/13/17 12:43 PM
Joined: Jun 2017
Posts: 555
DFW
JustN89 Offline
JustN89  Offline
Joined: Jun 2017
Posts: 555
DFW
Originally Posted By: Virtus_Probi
Originally Posted By: Ramblejam
Originally Posted By: ArcticDriver
This is just my opinion but based on fairly extensive research, I have not found any downside to switching to the new CK-4/SN formulation in your WRX.


There's no such thing as a "CK-4/SN" formulation; it's CK-4 only, with no gas engine approval.

http://www.shell-livedocs.com/data/published/en-US/9b43c4f8-b8c4-4833-b0c5-9c9bce5cde92.pdf

You can also check the current API licensing info and see the only Rotella CK-4/SN product remains Multi-Vehicle 5w-30.

https://engineoil.api.org/Directory/EolcsSearch


Does the product in bold really exist???

http://rotella.shell.com/products/shell-...heavy-duty.html

Re: New Rotella T6 formulation in WRX? [Re: dmhudson91] #4458271
07/13/17 01:22 PM
07/13/17 01:22 PM
Joined: Apr 2017
Posts: 515
Fort Worth TX
TheKracken Offline
TheKracken  Offline
Joined: Apr 2017
Posts: 515
Fort Worth TX
Have you considered switching over to the very similar and arguably slightly better M1 turbo diesel truck oil? it is 5w40, it is CK-4 AND SN approved unlike the current RT6 formula that lost its dual rating. A couple of us on these forums picked up a bunch when walmart had them for 15 a gallon, I will be using it in my truck very soon.


2011 Prius 96k miles RLI 5w20
97 Toy T100 4x4: amsoil 0w20 242k Miles
04 Toy Sienna awd: Pennzoil 0w20 281k Miles
Re: New Rotella T6 formulation in WRX? [Re: dmhudson91] #4458322
07/13/17 02:19 PM
07/13/17 02:19 PM
Joined: Feb 2017
Posts: 78
iowa
earthbound Offline
earthbound  Offline
Joined: Feb 2017
Posts: 78
iowa
junk oil now...well because you know the "new chart" says so....

Re: New Rotella T6 formulation in WRX? [Re: earthbound] #4458496
07/13/17 04:49 PM
07/13/17 04:49 PM
Joined: Mar 2017
Posts: 29
Brazoria County Texas
rotorcraft230 Offline
rotorcraft230  Offline
Joined: Mar 2017
Posts: 29
Brazoria County Texas
This is my 2 cents. I also have a WRX 2014 and use T6 and this is what I have put together in the past 9 months. I have read tons of the T6 threads and seen UAO and VOA since the new formula has come out. And it seems to me that shell didn't want to change the formula enough to keep the SM rating on the 5W-40 oil. They have a new product T6 5W-30 that will have the CK-4/SM rating. The latter oil I have not seen yet, the Shell website says the 5W-30 is HD oil but if it is then it won't be Energy Conserving. I'm sure it is Energy Conserving but haven't seen the back of the bottle yet.

I think the T6 5W-40 is pretty much the same oil just no SM rating.

Anyone correct me if I'm wrong.

Last edited by rotorcraft230; 07/13/17 04:55 PM.

06 Silverado 237,000 Val HM 5W-30 DD
14 WRX Hatch Rotella T6 5W-40
11 Subaru Outback Wife Val HM 5W-30
13 Honda Civic Daughter Val 0W-20
Re: New Rotella T6 formulation in WRX? [Re: dmhudson91] #4458498
07/13/17 04:53 PM
07/13/17 04:53 PM
Joined: Mar 2017
Posts: 29
Brazoria County Texas
rotorcraft230 Offline
rotorcraft230  Offline
Joined: Mar 2017
Posts: 29
Brazoria County Texas
Originally Posted By: dmhudson91
Hi all,

A little behind the 8-ball here. My beloved RT6 as you probably know has switched formulations as of beginning of the year. Is this oil still safe to run in my EJ255 post-change?

TIA


forgot to quote.


06 Silverado 237,000 Val HM 5W-30 DD
14 WRX Hatch Rotella T6 5W-40
11 Subaru Outback Wife Val HM 5W-30
13 Honda Civic Daughter Val 0W-20
Re: New Rotella T6 formulation in WRX? [Re: rotorcraft230] #4458587
07/13/17 06:29 PM
07/13/17 06:29 PM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline
Joined: Jan 2017
Posts: 1,139
USA
Originally Posted By: rotorcraft230
This is my 2 cents. I also have a WRX 2014 and use T6 and this is what I have put together in the past 9 months. I have read tons of the T6 threads and seen UAO and VOA since the new formula has come out. And it seems to me that shell didn't want to change the formula enough to keep the SM rating on the 5W-40 oil. They have a new product T6 5W-30 that will have the CK-4/SM rating. The latter oil I have not seen yet, the Shell website says the 5W-30 is HD oil but if it is then it won't be Energy Conserving. I'm sure it is Energy Conserving but haven't seen the back of the bottle yet.

I think the T6 5W-40 is pretty much the same oil just no SM rating.

Anyone correct me if I'm wrong.


I can only hope you are right.


Multiple Diesel and Gasoline vehicles
Page 1 of 2 1 2

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