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View Poll Results: What manufacture do you for diesel engine oil?
Shell Rotella 59 59.00%
Chevron delo 400 15w 40 20 20.00%
What ever meets the API Specs. 8 8.00%
Other.... 15 15.00%
Multiple Choice Poll. Voters: 100. You may not vote on this poll

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Old 04-30-2017, 08:37 AM   #1
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What Diesel oil do you use?

From time to time, the make of Diesel engine oil comes up.........what do you run and use and why??
Use the "Poll" above.......
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Old 04-30-2017, 08:41 AM   #2
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Shell Rottella 15w-40 dino. Probably the most popular oil for diesel engine. Dispensed by Speedco locations, which I use for service.
Vince and Susan
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Old 04-30-2017, 08:57 AM   #3
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Available at Costco.
I buy it on sale.
Now, back to my coffee so I can wake up.
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Old 04-30-2017, 08:59 AM   #4
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Rotella. BJ's wholesale was the best deal but last time I checked our local one they stopped selling it Walmart still has it for a pretty good price for 2x2.5 gallon jugs. The big jugs are a little hard to handle so a helper is nice to have just to hold the funnel.

I guess the poll is about the brand, not the price. Rotella is one of the tried and true diesel oils that has been proven over the years. Synthetic sounds good but I believe Cummins says the change interval is the same with it so I can't see the point. Whatever you are comfortable with, just change it when it is supposed to be.
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Old 04-30-2017, 09:13 AM   #5
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Royal Purple 15w-40..... I trusted this oil in my race motors that cost 90k.

Why not trust it in my daily drivers and Coach..

Amsoil full synthetic in the transmissions
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Old 04-30-2017, 09:16 AM   #6
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API specs are fine, as long as you change the oil according to the owners manual schedule. Those automotive engineers actually do know what they're doing in regards to this.
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Old 04-30-2017, 10:23 AM   #7
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I'll stay with Mobile Delvac for now. Its what came in my Duramax.
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Old 04-30-2017, 10:28 AM   #8
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Cummins filled mine with 14 gallons of Valvoline Premium Blue when they rebuilt the engine in 2015.
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Old 04-30-2017, 10:37 AM   #9
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Originally Posted by 1bigmess View Post
API specs are fine, as long as you change the oil according to the owners manual schedule. Those automotive engineers actually do know what they're doing in regards to this.
X2;30+ years in automotive , never saw an oil related failure in a maintained engine.
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Old 04-30-2017, 10:49 AM   #10
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Valvoline Premium Blue
2015 Winnebago Tour 42QD
Cummins 8.9 ISL 450
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Old 04-30-2017, 11:44 AM   #11
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Shell Rotella. My mechanic likes it for diesels.
Tony & Ruth........... FMCA#F416727
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Old 04-30-2017, 11:53 AM   #12
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Valvoline Premium Blue
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Old 04-30-2017, 12:30 PM   #13
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I use Valvoline Premium Blue in my F350 and will use it in when then time comes in my HM. That or Mobil I for me.
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Old 04-30-2017, 12:49 PM   #14
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Shell Rotella in the F250......Mobil 1 in everything, SUV, and 5 different motorcycles.
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