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#4717604 - 04/05/18 07:58 PM Supertech 15W40 7.3 Powerstroke
mobilaltima Offline


Registered: 02/03/11
Posts: 1162
Loc: Golden Meadow, LA
Should I have any concerns running ST 15W40 CJ-4 in my F250? I usually run Motorcraft 15W40, due to the extra ZDDP levels, with a Napa Gold 1734. I'm just getting tired of spending almost $80 for an oil change for this truck, I just use it in a 50 mile radius, short tripped often, just a beat up old work truck, but I do want the engine to be protected, so if Supertech would offer the same level of protection of the Motorcraft, I'm all for it. Also, should I have any concerns running the spec'd Baldwin B7039 oil filter? The local hardware store has about 20 leftover from when they had a 7.3 delivery truck, theyre selling them for $5 each. My only concern is the Baldwin filter is noticably shorter than the Napa Gold or Motorcraft filter (7 and 3/8 compared to 8 inches long for the Napa Gold and Motorcraft).
_________________________
2006 2500 Dodge 5.9 Cummins Mobil Delvac 15W40, Fleetguard Stratapore 90k miles
Early '99 F250 ECLB 7.3 Stroker, 223k miles

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#4717607 - 04/05/18 08:01 PM Re: Supertech 15W40 7.3 Powerstroke [Re: mobilaltima]
SOHCman Offline


Registered: 03/29/10
Posts: 1319
Loc: USA
Run it and do a UOA with she savings?
_________________________
I urge people not to wait 100K to change out the fluid in their transfer case units. -Kestas

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#4717609 - 04/05/18 08:02 PM Re: Supertech 15W40 7.3 Powerstroke [Re: mobilaltima]
2004tdigls Offline


Registered: 10/31/11
Posts: 487
Loc: maple ridge, bc
the only thing that matters is that the oil has API CJ approval, this exceeds the original specification

use supertech with confidence

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#4717613 - 04/05/18 08:04 PM Re: Supertech 15W40 7.3 Powerstroke [Re: mobilaltima]
SubieRubyRoo Offline


Registered: 05/14/12
Posts: 1232
Loc: Winchester, Indiana
Or hit the ST with a shot of Lubegard HD Engine Protectant for some additional protection.

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#4717616 - 04/05/18 08:06 PM Re: Supertech 15W40 7.3 Powerstroke [Re: mobilaltima]
mobilaltima Offline


Registered: 02/03/11
Posts: 1162
Loc: Golden Meadow, LA
I don't run the truck hard, I change the oil and filter every 4500k. I should do a UOA just to see what shape the engine is in.
_________________________
2006 2500 Dodge 5.9 Cummins Mobil Delvac 15W40, Fleetguard Stratapore 90k miles
Early '99 F250 ECLB 7.3 Stroker, 223k miles

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#4717623 - 04/05/18 08:11 PM Re: Supertech 15W40 7.3 Powerstroke [Re: mobilaltima]
Chris142 Offline


Registered: 06/05/03
Posts: 16947
Loc: Deplorable in apple valley, ca
I ran that oil in my peterbilt for 3 years. After 3 years it was still servicible.
_________________________
02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40

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#4717656 - 04/05/18 08:40 PM Re: Supertech 15W40 7.3 Powerstroke [Re: mobilaltima]
KneeGrinder Offline


Registered: 11/28/17
Posts: 222
Loc: North of you Idaho
I'm not slamming you, its not my style, but I just don't understand why you used Motorcraft oil instead of any 1 of the big 3= Delo, Delvac, Rotella? The factory fill from Navistar I believe was Delo 400. A 5 gallon bucket of Delvac 1300 is about $63.00 around here. I think there is a $25.00 rebate for it right now. Now your 5 gal bucket of oil is $38.00 plus taxes. Keep using the Wix filter, its a good filter.

P.S. There is nothing wrong with using ST at this point, I just think you can get Delvac cheaper or near the same price!

The Baldwin filter is a good filter also, you should have no concerns with the short OCI's your runnin.


Edited by KneeGrinder (04/05/18 08:52 PM)
_________________________
08 Tribeca 82k PUP 5w30 wix
06 Accord Hybrid 131k PUP 5w20 wix
02 Chevy k3500 97k Delvac 1 esp 5w40 wix
00 F350 133k Delvac 1300 15w40 wix

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#4717692 - 04/05/18 09:00 PM Re: Supertech 15W40 7.3 Powerstroke [Re: mobilaltima]
Linctex Offline


Registered: 12/31/16
Posts: 6186
Loc: Waco, TX
Originally Posted By: mobilaltima
Baldwin B7039 oil filter? The local hardware store has about 20 leftover from when they had a 7.3 delivery truck, theyre selling them for $5 each. My only concern is the Baldwin filter is noticably shorter than the Napa Gold or Motorcraft filter (7 and 3/8 compared to 8 inches long for the Napa Gold and Motorcraft).


I think the shorter filters will work just fine,
thatís what the original 6.9 & 7.3 IDI engines used
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4717734 - 04/05/18 09:45 PM Re: Supertech 15W40 7.3 Powerstroke [Re: Linctex]
Chris142 Offline


Registered: 06/05/03
Posts: 16947
Loc: Deplorable in apple valley, ca
Originally Posted By: Linctex
Originally Posted By: mobilaltima
Baldwin B7039 oil filter? The local hardware store has about 20 leftover from when they had a 7.3 delivery truck, theyre selling them for $5 each. My only concern is the Baldwin filter is noticably shorter than the Napa Gold or Motorcraft filter (7 and 3/8 compared to 8 inches long for the Napa Gold and Motorcraft).


I think the shorter filters will work just fine,
thatís what the original 6.9 & 7.3 IDI engines used
the idi used a shorter 32 micron filter. The power stroke uses a longer 20 micron filter. I would not use the idi filter on a power stroke.
_________________________
02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40

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#4717737 - 04/05/18 09:48 PM Re: Supertech 15W40 7.3 Powerstroke [Re: mobilaltima]
mobilaltima Offline


Registered: 02/03/11
Posts: 1162
Loc: Golden Meadow, LA
The B7039 is not the shorter IDI filter. Its the correct cross to the Motorcraft FL1995 but for some reason Baldwin makes their filter shorter.
_________________________
2006 2500 Dodge 5.9 Cummins Mobil Delvac 15W40, Fleetguard Stratapore 90k miles
Early '99 F250 ECLB 7.3 Stroker, 223k miles

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#4717898 - 04/06/18 04:49 AM Re: Supertech 15W40 7.3 Powerstroke [Re: mobilaltima]
dnewton3 Online   content



Registered: 05/14/07
Posts: 7401
Loc: Indianapolis, IN
The 7.3L PSD is not known to be finicky about oil brands and grades in terms of wear.
It will shear down at 40 grade to a 30 grade, but with you planned OCI that's not a big deal; or feed it a 10w-30 to being with (won't find that in ST products, at least for now ...)

The 15w-40 ST will do just fine. It's every bit as good in terms of wear control as any of the majors, for the type use you describe.

Why not run a UOA with the MC, then run one with the ST. I believe you'll find they both fall well within "normal" expected ranges of wear rates.
_________________________
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

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#4718769 - 04/06/18 06:58 PM Re: Supertech 15W40 7.3 Powerstroke [Re: SubieRubyRoo]
bbslider001 Offline


Registered: 02/21/08
Posts: 451
Loc: The American West
Originally Posted By: SubieRubyRoo
Or hit the ST with a shot of Lubegard HD Engine Protectant for some additional protection.


Absolutely NOT on the 7.3 unless you want HPOP issues and injector issues. The 7.3's fuel system is oil driven and the additives hurt this rather than help it.

OP, ST is a great oil for the 7.3 PSD. I have been running it on my truck and it does very well and it is a CJ-4 with a robust add pack. Run it, save money, and be happy.
_________________________
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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#4720716 - 04/08/18 04:21 PM Re: Supertech 15W40 7.3 Powerstroke [Re: mobilaltima]
turbowhistle Offline


Registered: 11/15/09
Posts: 127
Loc: Maryland
I now have a 2011 Ram 3500 with the 6.7 Cummins and only use Rotella T6 with either the Cummins oil filter or the Mopar oil filter (made for Mopar by Cummins) changing both every 5000 miles.

I used to own a 2002 F350 with the 7.3 made by International, wow what a good motor. Oil and oil filter changes were easy. I mainly used the Motor Craft 15w40 which is made for Ford by Conoco Phillips, really good oil.

I never used the ST diesel oil, as long as it meets the specs, it should be fine. While at WM, I always purchased the MC oil filter as well it was $9.95, cheaper than the dealer.

One good thing about the 7.3, if you ever ran low on oil while driving, the engine would shut down due to the HPOP that pressured the injectors. I never had that issue, just a small oil leak around the turbo-pedistel due to worn pedistel O-Rings, leaked about 1 quart every oil change at 5000 miles. Again, in my opinion, the 7.3 was the best diesel placed in a Ford Truck.

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#4723207 - 04/10/18 10:27 PM Re: Supertech 15W40 7.3 Powerstroke [Re: mobilaltima]
Big_3_Only Offline


Registered: 03/20/09
Posts: 86
Loc: Texas
I thought that ST was made by Phillips 66 at one point. Is that not the case anymore?
_________________________
2014 Buick Regal
2009 GMC Yukon XL
2004 Jeep Wrangler Rubicon
1972 GMC Jimmy
1972 Chevrolet C10
Kendall GT-1 Max Oil and Napa Gold filters

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#4723274 - 04/11/18 02:37 AM Re: Supertech 15W40 7.3 Powerstroke [Re: mobilaltima]
jakewells Offline


Registered: 12/28/12
Posts: 523
Loc: Cave City KY
ST is warren made in my area it has WPP stamped on the bottom of the jug.
_________________________
1994 Ford F150 302 4R70
Chevron Delo SAE 30 CF/SL Fram XG8A
1978 Chevy Nova 250 I6 3 on the tree.
Rotella 10W40 Fram TG30


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