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Ford 6.7 powerstroke severe duty oil #4473693
07/29/17 07:59 AM
07/29/17 07:59 AM
Joined: Oct 2006
Posts: 13
Northeast
buzzy3 Offline OP
buzzy3  Offline OP
Joined: Oct 2006
Posts: 13
Northeast
Still feeling out the new 6.7 powerstroke, and about to do my first long heavy towing. Manual mandates 5-40 oil for severe service...in this case towing over 1000 miles on the change cycle. I expect the IOLM to tell me to change oil at somewhere around 5000 miles as it will factor in towing etc.

Is this engine that hard on oil? Is the mandate to use 5-40 really a mandate to use synthetic, perhaps because of high engine temps? It seems like the low temp benefits of a 5-40 oil would not be an issue here, so to me, it seems like a mandate to use synthetic on a low mileage drain and fill schedule.

I don't have an issue doing it but would like to understand the requirement and the reasoning behind it.

Thanks!

Re: Ford 6.7 powerstroke severe duty oil [Re: buzzy3] #4473718
07/29/17 08:34 AM
07/29/17 08:34 AM
Joined: Apr 2009
Posts: 1,288
oh
roadrunner1 Offline
roadrunner1  Offline
Joined: Apr 2009
Posts: 1,288
oh
The IOLM will surprise you, depending on your rear-end you may see 10,000 mi. before the IOLM message to "change oil now" pops up. I have the 3.31 rear and its not uncommon to go 10,000 mi.

I can't answer the 5w-40 recommendation, with no cold weather there is nothing wrong with 15w-40. I use nothing but 10w-30 and every UOA has come back stellar.


'15 F350 6.7
Re: Ford 6.7 powerstroke severe duty oil [Re: buzzy3] #4473741
07/29/17 09:10 AM
07/29/17 09:10 AM
Joined: May 2003
Posts: 9,337
Central Coast, Calif.
tom slick Offline
tom slick  Offline
Joined: May 2003
Posts: 9,337
Central Coast, Calif.
Our 6.7 at work spends most of the time with a trailer behind it and has over 100k on it. It gets 15w-40 Delo changed according to the OLM.


You get what you pay for...
So keep in mind how much you paid for this advice.
Re: Ford 6.7 powerstroke severe duty oil [Re: buzzy3] #4473743
07/29/17 09:13 AM
07/29/17 09:13 AM
Joined: Oct 2004
Posts: 3,079
Midwest, Illinois
beanoil Offline
beanoil  Offline
Joined: Oct 2004
Posts: 3,079
Midwest, Illinois
Currently running 15w40 VPB here in the midwest.
I see no reason for 5w40 unless your temperature mandates it.
I will be switching to 10w30 next spring, partially based on roadrunners continued good success, and whether by design, or the young oil jockey reading the cap, the majority of local trucks serviced at the dealer getting 10w30 for all use, and they haven't stopped yet!

Last edited by beanoil; 07/29/17 09:16 AM.

beanoil: Tough under heat, real dirty afterwards.
Re: Ford 6.7 powerstroke severe duty oil [Re: buzzy3] #4473747
07/29/17 09:21 AM
07/29/17 09:21 AM
Joined: Mar 2004
Posts: 20,758
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 20,758
Upstate NY
I ran Rotella T6 in my older Dodge Ram with Cummins and now run it in my Ford F250 with Powerstroke. But for now running the CJ-4 flavor.

Going to DELO 400 5W40 CJ-4 because I can find it.

I feel 5W40 is a good oil regardless of severe service.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Ford 6.7 powerstroke severe duty oil [Re: buzzy3] #4473817
07/29/17 10:52 AM
07/29/17 10:52 AM
Joined: Sep 2015
Posts: 5,858
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 5,858
Kalifornia Kollective
Yeah, it's the 40 part that counts smile


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: Ford 6.7 powerstroke severe duty oil [Re: buzzy3] #4473845
07/29/17 11:42 AM
07/29/17 11:42 AM
Joined: Feb 2016
Posts: 263
MD
claluja Offline
claluja  Offline
Joined: Feb 2016
Posts: 263
MD
How heavy are you towing? My 6.7 oil temp gets to 225-235 degrees towing 14K in the summer, using motorcraft 5w40 for example.

Think it's the 40 that matters most. However, I've always wondered whether the 5 was important for extended idling periods when the engine is running at less than operating temperature (I do alot of overnight idling on some long towing trips). Note that extended idling is considered severe service by Ford.

Last edited by claluja; 07/29/17 11:46 AM.

2014 F250 6.7L PSD
2006 Sequoia 4.7L
2005 E500 5.0L
1997 4Runner 3.4L
Re: Ford 6.7 powerstroke severe duty oil [Re: claluja] #4473893
07/29/17 01:10 PM
07/29/17 01:10 PM
Joined: Oct 2006
Posts: 13
Northeast
buzzy3 Offline OP
buzzy3  Offline OP
Joined: Oct 2006
Posts: 13
Northeast
Originally Posted By: claluja
How heavy are you towing? My 6.7 oil temp gets to 225-235 degrees towing 14K in the summer, using motorcraft 5w40 for example.

Think it's the 40 that matters most. However, I've always wondered whether the 5 was important for extended idling periods when the engine is running at less than operating temperature (I do alot of overnight idling on some long towing trips). Note that extended idling is considered severe service by Ford.


Towing about the same as you...maybe 14,500. I have read that the 230's is pretty normal for entine temps. And I know that I am in a severe duty bracket, but I can come up with no reason why Ford mandates the use of 5-40 for towing...at least on my 2017. Just curious...but I like to know the reasons for these odd requirements.

Re: Ford 6.7 powerstroke severe duty oil [Re: roadrunner1] #4473894
07/29/17 01:12 PM
07/29/17 01:12 PM
Joined: Oct 2006
Posts: 13
Northeast
buzzy3 Offline OP
buzzy3  Offline OP
Joined: Oct 2006
Posts: 13
Northeast
Originally Posted By: roadrunner1
The IOLM will surprise you, depending on your rear-end you may see 10,000 mi. before the IOLM message to "change oil now" pops up. I have the 3.31 rear and its not uncommon to go 10,000 mi.

I can't answer the 5w-40 recommendation, with no cold weather there is nothing wrong with 15w-40. I use nothing but 10w-30 and every UOA has come back stellar.


Is that 10,000 towing mileage? I hope so...that's about what my Duramax wanted me to change at.

Re: Ford 6.7 powerstroke severe duty oil [Re: buzzy3] #4473932
07/29/17 02:09 PM
07/29/17 02:09 PM
Joined: Apr 2009
Posts: 1,288
oh
roadrunner1 Offline
roadrunner1  Offline
Joined: Apr 2009
Posts: 1,288
oh
Originally Posted By: buzzy3
Originally Posted By: roadrunner1
The IOLM will surprise you, depending on your rear-end you may see 10,000 mi. before the IOLM message to "change oil now" pops up. I have the 3.31 rear and its not uncommon to go 10,000 mi.

I can't answer the 5w-40 recommendation, with no cold weather there is nothing wrong with 15w-40. I use nothing but 10w-30 and every UOA has come back stellar.


Is that 10,000 towing mileage? I hope so...that's about what my Duramax wanted me to change at.


I don't tow every day, but the truck is loaded daily. Your rear end is the determining factor, according to the owners manual. The lower rpm's the longer the IOLM will go.


'15 F350 6.7
Re: Ford 6.7 powerstroke severe duty oil [Re: buzzy3] #4493484
08/20/17 09:25 AM
08/20/17 09:25 AM
Joined: Oct 2004
Posts: 3,079
Midwest, Illinois
beanoil Offline
beanoil  Offline
Joined: Oct 2004
Posts: 3,079
Midwest, Illinois
Had some stuff happen recently, and ran up some miles.
Changed my 6.7 yesterday from VPB 15w40 to Delo Severe Duty 15w30 and a Donaldson P502503.
I'm not worried in the least about this oil.
It performed great in my 6.0, I expect with it's narrow spread and .12 P and Z it will perform just as well in the 6.7 .
https://cglapps.chevron.com/sdspds/PDSDetailPage.aspx?docDataId=413394&docFormat=PDF


beanoil: Tough under heat, real dirty afterwards.
Re: Ford 6.7 powerstroke severe duty oil [Re: beanoil] #4494232
08/21/17 07:51 AM
08/21/17 07:51 AM
Joined: May 2013
Posts: 1,092
upstate NY
dustyroads Offline
dustyroads  Offline
Joined: May 2013
Posts: 1,092
upstate NY
Originally Posted By: beanoil
Had some stuff happen recently, and ran up some miles.
Changed my 6.7 yesterday from VPB 15w40 to Delo Severe Duty 15w30 and a Donaldson P502503.
I'm not worried in the least about this oil.


That oil should be great for you and anyone else with a Powerstroke (or any other diesel pickup). It's not for extended intervals, but the average diesel pickup owner is quite conservative, anyway.

I'm curious how old the oil you bought is? I rarely see the 15W30 but when I do, the bottles are covered in dust. I recently saw a fellow owner/op getting an oil change and putting it in his C15 Cat, so it's still available. It's been on the market for a few years now but don't hear much about the stuff.


2013 F150 XLT 5.0 4X4 101k miles
Edge 5W-30 / Fram 10575
Re: Ford 6.7 powerstroke severe duty oil [Re: buzzy3] #4494242
08/21/17 08:10 AM
08/21/17 08:10 AM
Joined: Oct 2004
Posts: 3,079
Midwest, Illinois
beanoil Offline
beanoil  Offline
Joined: Oct 2004
Posts: 3,079
Midwest, Illinois
dustyroads, my bottles are from 2014. Bought on sale at Amazon back at introduction. I've got 6 more changes left in the stash.


beanoil: Tough under heat, real dirty afterwards.
Re: Ford 6.7 powerstroke severe duty oil [Re: beanoil] #4494264
08/21/17 08:34 AM
08/21/17 08:34 AM
Joined: May 2013
Posts: 1,092
upstate NY
dustyroads Offline
dustyroads  Offline
Joined: May 2013
Posts: 1,092
upstate NY
thumbsup Ok thanks. I thought it was right around three years ago, now. At the introduction, truck stops had posters on the walls promoting the 15W30. They said that with an oil change, Chevron would provide 10 free oil analyses. That only lasted for a few months and I never did try it in my trucks.

Still a great choice if you have it or can get it.

Last edited by dustyroads; 08/21/17 08:41 AM.

2013 F150 XLT 5.0 4X4 101k miles
Edge 5W-30 / Fram 10575

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