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Power Strokes 1994-1997 General Technical discussion of topics related to vehicles powered by the Power Stroke engine in 1994 through 1997 models.

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Old 09-14-2005, 10:47 AM   #16 (permalink)
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Re: Delo VS Rotella

[ QUOTE ]
[ QUOTE ]
Not to stir up this debate too much, but what is the concensus on Mobil 1 - 5W40 synthetic?

[/ QUOTE ]

It's better than 5w40 rotella but not as good as 5w40 delvac 1. Cheaper and easier to find than delvac 1 though, so it's what I'm putting in my truck after my rotella 5w40 has 20,000 miles on it and I need to replace filters. I'd keep running it, but can't find the rotella anywhere for makeup oil.

[/ QUOTE ]

Why do you say it's better than Shell 5w-40 synthetic? I'm guessing the ole true synthetic vs faux synthetic deal. The funny thing is,from what I have seen, the faux synthetic seems to be kicking some T&SUV tail in UOA results. Real world results are more important than PAO vs Group.III assumptions.

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Old 09-14-2005, 11:23 AM   #17 (permalink)
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Re: Delo VS Rotella

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The funny thing is,from what I have seen, the faux synthetic seems to be kicking some T&amp;SUV tail in UOA results. Real world results are more important than PAO vs Group.III assumptions.


[/ QUOTE ]

Do you have any sources for the real world results? I'd like to see them.

Also, my comment was just based on the API standards that the oil meets. Mobil 1 T&amp;SUV used to be CI-4+, and Rotella 5w40 was only CI-4.

Wierd thing is, I just looked both updated spec sheets on both companies websites, and Mobil 1 T&amp;SUV no longer shows a CI-4+ rating and Rotella 5w40 does have a CI-4+ rating, opposite of the last time I looked at them.

Anyone know any place that carries Rotella 5w40 now that wal-mart no longer has it? I'd rather not change my oil if I can find 2 quarts to top it back up with a filter change.
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Old 09-14-2005, 11:33 AM   #18 (permalink)
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Re: Delo VS Rotella

What's wrong with running Lucas in our trucks? [img]/ubbthreads/images/graemlins/shrug.gif[/img]
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Old 09-14-2005, 11:47 AM   #19 (permalink)
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Re: Delo VS Rotella

[ QUOTE ]
What's wrong with running Lucas in our trucks? [img]/ubbthreads/images/graemlins/shrug.gif[/img]

[/ QUOTE ]

Read my reply above. It has a link to some VERY good information.
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Old 09-14-2005, 11:53 AM   #20 (permalink)
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Re: Delo VS Rotella

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What's wrong with running Lucas in our trucks? [img]/ubbthreads/images/graemlins/shrug.gif[/img]

[/ QUOTE ]

Long story short...Lucas destroys the anti0foaming properties of whatever oil it seems to be dumped in. Go look for the demonstration on BITOG.

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Old 09-14-2005, 12:00 PM   #21 (permalink)
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Re: Delo VS Rotella

[ QUOTE ]
[ QUOTE ]
The funny thing is,from what I have seen, the faux synthetic seems to be kicking some T&amp;SUV tail in UOA results. Real world results are more important than PAO vs Group.III assumptions.


[/ QUOTE ]

Do you have any sources for the real world results? I'd like to see them.

Also, my comment was just based on the API standards that the oil meets. Mobil 1 T&amp;SUV used to be CI-4+, and Rotella 5w40 was only CI-4.

Wierd thing is, I just looked both updated spec sheets on both companies websites, and Mobil 1 T&amp;SUV no longer shows a CI-4+ rating and Rotella 5w40 does have a CI-4+ rating, opposite of the last time I looked at them.

Anyone know any place that carries Rotella 5w40 now that wal-mart no longer has it? I'd rather not change my oil if I can find 2 quarts to top it back up with a filter change.

[/ QUOTE ]

If you locate the UOA list kept by a member on this site, you will find that probably the ultimate best UOA's on that list was performed by Shell Rotella SYNTHETIC 5w-40. Terry Dyson of Dyson anlysis interpretation fame has gone on record at BITOG as stating that Shell 5w-40 synthetic has produced some truly outstanding UOA's. BTW, he also said that of the hundreds, if not thousands of UOA's he has seen, regular Rotella performs just rather average and not outstanding compared with some other HDEO's.

As far as the CI-4plus thing...T&amp;SUV has a lower zinc and phosporous limit which precludes it from meeting that. There are no plans for it to be upgraded either since the lower ZDDP content minimizes the chance of Catalytic converter contamination in Gassers which T&amp;SUV is also marketed towards.

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Old 09-14-2005, 12:46 PM   #22 (permalink)
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Re: Delo VS Rotella

as you have found out asking about oil brands and tires will get you the same answers as to who has the best dog! there are alot of good dogs out there...same with oil and tires. as stated before try delo and make your choice.
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Old 09-14-2005, 01:57 PM   #23 (permalink)
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Re: Delo VS Rotella

I knew I would get it stirred up good! hey, why dont I post on the best antifreeze now! [img]/ubbthreads/images/graemlins/wink.gif[/img]
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Old 09-14-2005, 03:05 PM   #24 (permalink)
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Re: Delo VS Rotella

I don't know if I would run Mobile 1, our car seems to burn more of it than normal oil, don't know if this would also be true for a diesel engine. I have always ran Delo in my truck, tried Rotella... truck ran worse, went back to Delo and it is fine. My dad runs Delo in his 60 series, he said Detroit told him to run that oil in it after his last in frame.
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Old 09-14-2005, 05:28 PM   #25 (permalink)
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Re: Delo VS Rotella

someone correct me on this if they know....but mentioning wally world and rotella......isnt wal marts oil for diesels made by shell (rotella) and with it being cheaper, wouldnt it be just as good to run it if ya looking to save a few bucks?
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Old 09-15-2005, 12:35 AM   #26 (permalink)
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Re: Delo VS Rotella

Wow...I just changed my oil on Sunday........and added some [img]/ubbthreads/images/graemlins/phoney.gif[/img] Lucas.....
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Old 09-15-2005, 10:50 PM   #27 (permalink)
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Re: Delo VS Rotella

[ QUOTE ]
someone correct me on this if they know....but mentioning wally world and rotella......isnt wal marts oil for diesels made by shell (rotella) and with it being cheaper, wouldnt it be just as good to run it if ya looking to save a few bucks?

[/ QUOTE ]

WalMarts oil is made by Warren.

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Old 09-16-2005, 06:26 AM   #28 (permalink)
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Re: Delo VS Rotella

[ QUOTE ]
I knew I would get it stirred up good! hey, why dont I post on the best antifreeze now! [img]/ubbthreads/images/graemlins/wink.gif[/img]

[/ QUOTE ]

Cause Ya had to ask [img]/ubbthreads/images/graemlins/wink.gif[/img] FleetGuard [img]/ubbthreads/images/graemlins/smile.gif[/img] And it's not the pre-charged, I use the pre-charged coolant filters.
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Old 09-16-2005, 07:21 AM   #29 (permalink)
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Re: Delo VS Rotella

My theory has always been stick with one oil. I do that with all my vehicles. If it ain't broke don't fix it...

Stick with what has always been in the vehicle. When I bought mine I could see in the previous owner used Delo and so I continue that [img]/ubbthreads/images/graemlins/laugh.gif[/img]

Just my .02 [img]/ubbthreads/images/graemlins/shrug.gif[/img]
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Old 09-16-2005, 07:31 AM   #30 (permalink)
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Re: Delo VS Rotella

[ QUOTE ]
My theory has always been stick with one oil. I do that with all my vehicles. If it ain't broke don't fix it...

Stick with what has always been in the vehicle. When I bought mine I could see in the previous owner used Delo and so I continue that [img]/ubbthreads/images/graemlins/laugh.gif[/img]

Just my .02 [img]/ubbthreads/images/graemlins/shrug.gif[/img]

[/ QUOTE ]

Amen. Mine had Rotella run in it for 69,000 miles before I got it, and it's had Rotella run in it since then. They are both good oils, but I'll stick with what was run in it since new. And I can get the Delo free from my work.
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