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Motorcraft Super Duty 15w40 CJ4 CI4 Plus #4548422
10/19/17 02:19 PM
10/19/17 02:19 PM
Joined: Jul 2017
Posts: 187
Venezuela, South America
Emanuel Offline OP
Emanuel  Offline OP
Joined: Jul 2017
Posts: 187
Venezuela, South America
I just bought 4 qt of Motorcraft Super Duty 15w40 CJ4/CI4 Plus for my 285k miles 7afe Corolla, do you think it would be harmful for my engine beeing a diesel engine oil?

It doesnt carry an API S certification but I think it must work for gasoline engine. In the back it says that you shouldnīt use it in gasoline engined cars that have a cat and my corolla doesnīt have a cat (it used to).

Iīm currently using a HDEO 15w40 CI4/SL so thats why I bought this HDEO Motorcraft, but I would like to know if I should worry before using it in 6 weeks when it will be time for a oil change.

Re: Motorcraft Super Duty 15w40 CJ4 CI4 Plus [Re: Emanuel] #4548599
10/19/17 06:01 PM
10/19/17 06:01 PM
Joined: Nov 2011
Posts: 1,240
Lyndhurst NJ
Audios Offline
Audios  Offline
Joined: Nov 2011
Posts: 1,240
Lyndhurst NJ
IM wondering about this as well. I bought a case of the 10/30 diesel very cheap for the tdi and was going to use it up with the x. I saw that it wasnt gas rated so its been sitting for a few months. Id imagine it would be ok for a reasonable interval.


2002 VW Golf TDI-Mobil 1 5/40 TDT
2007 Mercedes GL320 CDI Fuchs 5/40 GT Pro XTL
2005 BMW M3 BMW Twin Power 10/60
2003 BMW M5-Fuchs 5/40
1998 BMW M3/4/5 Fuchs 5/40
Re: Motorcraft Super Duty 15w40 CJ4 CI4 Plus [Re: Emanuel] #4548697
10/19/17 07:52 PM
10/19/17 07:52 PM
Joined: Sep 2015
Posts: 2,472
Malaysia
zeng Offline
zeng  Offline
Joined: Sep 2015
Posts: 2,472
Malaysia
I had intermittently used HDEO SAE40 CF/SC in a 1994 Mitsubishi 4G15 calling for SG, and see no problem.
Keyword is 'intermittently'.

Last edited by zeng; 10/19/17 07:53 PM.
Re: Motorcraft Super Duty 15w40 CJ4 CI4 Plus [Re: Emanuel] #4548916
10/20/17 05:24 AM
10/20/17 05:24 AM
Joined: May 2007
Posts: 7,624
Indianapolis, IN
dnewton3 Offline
dnewton3  Offline
Joined: May 2007
Posts: 7,624
Indianapolis, IN
There is absolutely nothing in that oil which would harm your engine.
The risk is that those fully formulated HDEOs can have some harmful effects on the emissions equipment (cat converters). As you've removed yours, it should be no issue whatsoever.

However, I'm curious as to why you bought the product, and only then inquired about it's applicability AFTER spending your money ... ???


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: Motorcraft Super Duty 15w40 CJ4 CI4 Plus [Re: dnewton3] #4549595
10/20/17 06:58 PM
10/20/17 06:58 PM
Joined: Jul 2017
Posts: 187
Venezuela, South America
Emanuel Offline OP
Emanuel  Offline OP
Joined: Jul 2017
Posts: 187
Venezuela, South America
Originally Posted By: dnewton3
However, I'm curious as to why you bought the product, and only then inquired about it's applicability AFTER spending your money ... ???


Because I was using already a CI4 HDEO (thats also SL rated) for high sulphur diesel and this is a CJ4 is designed for ultra low sulphur fuel so itīs closer to PCMO in terms of lower initial TBN and lower ash additives.

Iīm pretty sure this Motorcraft HDEO could meet API SL or even SM certifications if they wanted to, but they didnīt do it because it wasnīt their goal.

And also because my ownerīs manual calls for API SH Oil and Iīm very sure that an API CJ4 is way better than an old SH oil.

Re: Motorcraft Super Duty 15w40 CJ4 CI4 Plus [Re: Emanuel] #4549599
10/20/17 06:59 PM
10/20/17 06:59 PM
Joined: Jul 2017
Posts: 187
Venezuela, South America
Emanuel Offline OP
Emanuel  Offline OP
Joined: Jul 2017
Posts: 187
Venezuela, South America
Originally Posted By: Emanuel
Iīm very sure that an API CJ4 is way better than an old SH oil.


I have always used API SL oil by the way, please donīt think I was using API SH oil grin


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