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Rotella or Delvac?

 
Edward A. Sanchez
Administrator
Posts: 2112
Joined: 07/06
Posted: 04/09/08 11:33 AM

What do you guys think is the better diesel oil? Shell Rotella or Mobil Delvac?

Also, I've heard a lot of discussion about how Base III oils are not "true" synthetics. What are your guys' thoughts?  

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E2theRock2
Guru
Posts: 1625
Joined: 01/08
Posted: 04/09/08 01:24 PM

I run Rotella in all my trucks and its never done me wrong so i dont see any reason to switch to Delvac. Plus around here Delvac is pretty pricy compared to Rotella so everyone runs Rotella. The synthetics? Well i havent heard anything on them really and i have never run em in my trucks so i couldnt tell ya. But I'll ask some diesel heads around town to see what they have heard and report back.  
2011 Chevy Silverado 3500 cc/sb all stock H4 package.
2010 Camaro SS E2theRock2

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nmlakerat
Enthusiast
Posts: 372
Joined: 01/08
Posted: 04/09/08 01:29 PM

rotella is the standard in these parts, synthetic oils are gaining popularity quickly. with fuel prices and all  
member-Blowin' Smoke Gang
board of directors

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Dieseldude03
Enthusiast
Posts: 357
Joined: 01/07
Posted: 04/11/08 06:15 AM

I run 5W-40 Shell Rotella Synthetic in my truck, my wife's 2004 Dakota gasser and my garden tractor with a 25hp Kohler. Never a moments problem.  
2003 Dodge Ram 2500 Laramie 4x4. H.O. Cummins, 6spd manual trans, 4.10 gearing. Intake, Exhaust, Hot Juice, HTT HTB2 62/12/65, Jake Brake, 305-65R17 (33 x 12.50) Pro-Comp Extreme All Terrains, SBC Con O FE, Fuel Tank Vent Mod,  Various other gizmos.


I-6 Cummins guys are keepin' it straight. Those other boys swing both ways.

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ksd5
User
Posts: 80
Joined: 11/07
Posted: 04/11/08 08:28 AM

what about chevron delo 15w40? i can only find the new LE fourmula for low emmissions is this oil okay ro run in 04 cummins and powerstroke?  
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needpower
Addict
Posts: 2069
Joined: 11/07
Posted: 04/11/08 09:16 AM

rotella I think is the best, always worked great for me.  
1997 f-250 7.3 powerstroke. just another old truck making big power hahaha
my lug nuts need more torque then what your honda makes

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Edward A. Sanchez
Administrator
Posts: 2112
Joined: 07/06
Posted: 04/11/08 09:52 AM

If you click on this PDF link, and go to page 3, it has the latest standards and explanation for diesel oils.  

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Dieseldude03
Enthusiast
Posts: 357
Joined: 01/07
Posted: 04/11/08 03:17 PM

Icon QuoteGeo450racer:
what about chevron delo 15w40? i can only find the new LE fourmula for low emmissions is this oil okay ro run in 04 cummins and powerstroke?



I'd try to stay away from the LE - low ash oils if I could. It ranks pretty low when compaired to the "regular" diesel oils.

Here is another PDF link. http://www.turbodieselregister.com/TDR57_Oil.pdf While there is a lot of oil info here, page 4 has a comparison chart of all the available oils on the market. All the "ho-hum" oils at the bottom are the new LE oils.  
2003 Dodge Ram 2500 Laramie 4x4. H.O. Cummins, 6spd manual trans, 4.10 gearing. Intake, Exhaust, Hot Juice, HTT HTB2 62/12/65, Jake Brake, 305-65R17 (33 x 12.50) Pro-Comp Extreme All Terrains, SBC Con O FE, Fuel Tank Vent Mod,  Various other gizmos.


I-6 Cummins guys are keepin' it straight. Those other boys swing both ways.

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ksd5
User
Posts: 80
Joined: 11/07
Posted: 04/13/08 06:08 PM

wow thanks i can't beliieve im wasting so much money on the le if it sucks compared to regular delo 400 im going to have look around for the regular one or go for the cummins/valvoline oil as its cheaply priced.  
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dukeboy_318
Guru
Posts: 897
Joined: 01/07
Posted: 04/13/08 06:36 PM

ive always use rotella until this last change when the dang store was out and i ended up using a mobile one oil, i forget the name but it was a synthec blend and i just changed my oil after 7800 miles and it was still golden9plus i used lucas oil heavy duty oil stabilizer in my truck)  I usually use 15w40 as a atandard.  
1999 Dodge Ram 2500 4x4 Cummins 24 valve, 5spd with south bend 550hp+ clutch, 150 horse injectors, Fram Boost intake(for now), Edge Juice with attitude, 150 gph fass fuel pump and much more, all together 450 dyno proven HP and 1170 ft lbs.
DPMAG May Ride of the Month

and a quote from Dmax007-  this site is entirely the blind leading the blind. nobody on this site has the balls to stand up to this stupid blowin smoke gang. got news for you, i do.  

Recruiter/member of the Blowing Smoke Gang!

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dukeboy_318
Guru
Posts: 897
Joined: 01/07
Posted: 04/13/08 06:39 PM

oh yeah, there is one thing about rotella that just changed april 1st, they have a new formula out that is without zinc in it which engine buidlers are concerned about using in brand new motors without an additive.  used to, my local high po engine shop used rotella 10w40 to break the motors in simply because zinc acts as a scuff protector and protects the bearings better, but now that it lacks it, who knows  
1999 Dodge Ram 2500 4x4 Cummins 24 valve, 5spd with south bend 550hp+ clutch, 150 horse injectors, Fram Boost intake(for now), Edge Juice with attitude, 150 gph fass fuel pump and much more, all together 450 dyno proven HP and 1170 ft lbs.
DPMAG May Ride of the Month

and a quote from Dmax007-  this site is entirely the blind leading the blind. nobody on this site has the balls to stand up to this stupid blowin smoke gang. got news for you, i do.  

Recruiter/member of the Blowing Smoke Gang!

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gunman41mag
Guru
Posts: 1182
Joined: 01/08
Posted: 04/13/08 07:12 PM

WELL I HAVE USED ALL THE REGULAR OILS, EXCEPT CASTROL. I HAVE TRIED THE WALMART SUPER TECH OIL, and MY TRUCK KEEPS RUNNING!!! I'VE CHANGE THE OIL AT 4,000 MILES 99% OF THE TIME, BUT ONCE I WENT 10,000 MILES, and MY TRUCK KEEPS RUNNING, I NOW HAVE 131,235 MILES and STILL RUNNING. I WILL SAVE MY MONEY and KEEP USING REGULAR OIL, THE ONE THATS ON SALE!!!!  
2008 F250 SUPER-CAB 6.4 PSD 2WD 1999 F250 super-cab 7.3 PSD 2WD(sold)
MEMBER- BLOWIN' SMOKE GANG Commerative Heart

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OilPro
New User
Posts: 1
Joined: 08/08
Posted: 08/17/08 02:57 PM

Please help this very confused fan of Lubrication Engineers, Inc. products.I followed your recommended link and thank you for that as I'm always eager to read test results whenever I can. Your post mentioned that all of the so-called " ho-hum oils " , the last four , were all the new " le oils ". Is it me or is " le " used in reference to something I'm un-aware of ? I saw four oils produced by the companies whose names are on the labels. What makes you want to stay away from " le "? Have you had bad experiences ? Did your engine get noisy or did your fuel economy go up or did the oil analysis tell you there was un-acceptable wear metals and premature additive depletion? Please help, if "le " is truly a bad product I need to know so I can get something else.  

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