Rotella, Delo, or Valvoline? - Dodge Cummins Diesel Forum
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post #1 of 55 (permalink) Old 12-08-2009, 06:31 PM Thread Starter
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Rotella, Delo, or Valvoline?

Ok. Never mind my sentiments towards Amsoil. Not gonna use it, people are happy with it, probably isn't the reason for my engine breaking down. Fine. I've done a lot of homework, listened to a lot of opinions, so it boils down to these 3. I like the fact that Rotella will probably be the easiest to get, Delo specs fit the bill nicely for the climate we have up here, and Valvoline looks good on paper too, but may be more expensive for nothing, since it won't be used for work at all. All 3 seem to be a top choice of fleet operators. Please share your experiences, good or bad, with these 3. Thanks guys.

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post #2 of 55 (permalink) Old 12-08-2009, 06:35 PM
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I ran Rotella for years in my diesels and never had a problem with it, I quit using it because it stinks so bad. It seems like it stinks more now then it used to, I dont know what they changed. I switched to John Deere Synthetic and really like it. I dont have any experience with the other two, but if you can get past the smell Rotella is a good oil.

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post #3 of 55 (permalink) Old 12-08-2009, 06:41 PM
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I just switched from rotella to amsoil. Rotella is a CJ-4 oil. Our trucks call for CI-4. Rotella isn't ideal for our trucks.

'05 2500 4x4 QC/SB, 285/70/17 Nittos, Ranch Hands, 5" TBE, Banks Intake/Intercooler/Intake Manifold, Fass 150gph, Autometer Phantom II, Amsoil, FlashScan V2 waiting on 03-05 support
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post #4 of 55 (permalink) Old 12-08-2009, 07:19 PM
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Just changed from shaffers to my good ol JD +50 hyguard I use it on my 300k tractors with no problems on any oil tests and longitivity. Why not my 50k truck

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post #5 of 55 (permalink) Old 12-08-2009, 07:29 PM
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been using rotella but have switched over to the valvoline which is in 2 other trucks in the fam

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post #6 of 55 (permalink) Old 12-08-2009, 07:31 PM
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As for myself I have used Rottela for years and never had any bad luck at all. I am a heavy truck tech and have done inframe rebuilds on Detroits, Cats, and Cummins with over million miles on them that have used Rottela since they were new and the bearings, cylinder sleeves, etc....have had little to no scaring and the oil journals have been gunk free. Keep in mind that those were owner operators trucks that TAKE CARE of trucks the right way. I have also seen engines go with under 500,000 cause they were not taken care of I have used Valvoline products in all my gassers over the years and like there products. But the C rating are backwards compatible and most of the oil on the market keep up with engine requirments. So that should not be a concern, just look at the spec on the bottle and that will tell what rating it is.

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post #7 of 55 (permalink) Old 12-08-2009, 07:51 PM
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Delo or Rotella either one is good, I don't have any experience with Valvoline except 20 years ago. I hear it's a perfectly fine oil also though

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post #8 of 55 (permalink) Old 12-08-2009, 07:57 PM
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i have run rotella in 4 diesel pick ups that i have own and never stoped.

have the 5 40 syn. in mine right now works great.

im sure the others are good too.

but rotella is at wally world and easy to get and farely cheap . and works so thats what i use and allways will

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post #9 of 55 (permalink) Old 12-08-2009, 09:19 PM
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2500Calgary, thanks for starting this thread. I've always ran rotella 15w-40 in all my diesels and had very good luck with it. The only downside I've found is the smell.

With all the hoopla about CI vs CJ lately I've gotten a little nervous (and been a little tired of the rotella smell) so I picked up some Valvoline Premium Blue 15w-40 for my next oil change. The valvoline that I bought is still CJ oil but the cummins endorsement is what sold me. I may go with synthetic after the truck is broke in but for now it's dino oil.

My question and reason for subscribing is: Is the Valvoline better or at least equal to the other CJ options ?

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post #10 of 55 (permalink) Old 12-08-2009, 09:22 PM
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Originally Posted by kaiserbailey View Post
I just switched from rotella to amsoil. Rotella is a CJ-4 oil. Our trucks call for CI-4. Rotella isn't ideal for our trucks.
All the "off the shelf" oils are CJ-4 now. Have been for quite some time. They are backwards compatible.

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post #11 of 55 (permalink) Old 12-08-2009, 09:22 PM
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used rotella previously & switched to valvoline 2 weeks ago. i have noticed a little less smell from the exhaust.

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post #12 of 55 (permalink) Old 12-08-2009, 09:39 PM
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At a NAPA yesterday and their fleet 15w40 was CI oil $10 per gallon
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