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Mopar purple vs Rotella ELC #4713116
04/01/18 08:41 AM
04/01/18 08:41 AM
Joined: Dec 2015
Posts: 170
Texas
PumpPusher Offline OP
PumpPusher  Offline OP
Joined: Dec 2015
Posts: 170
Texas
So my new Ram w/ the 6.7 Cummins came with Mopar Purple as the factory fill. How does this compare to Rotella ELC? Is it diesel specific?

Re: Mopar purple vs Rotella ELC [Re: PumpPusher] #4713131
04/01/18 08:52 AM
04/01/18 08:52 AM
Joined: Dec 2016
Posts: 7,481
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,481
Waco, TX
Maybe it's a new Cummins specification?


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Mopar purple vs Rotella ELC [Re: PumpPusher] #4713153
04/01/18 09:19 AM
04/01/18 09:19 AM
Joined: Oct 2004
Posts: 8,484
Cincinnati, OH, USA
bullwinkle Offline
bullwinkle  Offline
Joined: Oct 2004
Posts: 8,484
Cincinnati, OH, USA
Apparently it's been used in almost all new FCA Chrysler vehicles since 2013, doesn't appear to be compatible with anything else. I personally would run it 5 years, thoroughly flush it, use ELC or similar then. Sounds like another Fiat influenced cluster to me!


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: Mopar purple vs Rotella ELC [Re: PumpPusher] #4713154
04/01/18 09:20 AM
04/01/18 09:20 AM
Joined: Oct 2014
Posts: 12,733
Canyon County Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,733
Canyon County Idaho
I is an oat coolant no?


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Mopar purple vs Rotella ELC [Re: PumpPusher] #4713260
04/01/18 12:10 PM
04/01/18 12:10 PM
Joined: Apr 2004
Posts: 7,878
New York
pbm Offline
pbm  Offline
Joined: Apr 2004
Posts: 7,878
New York
Excuse my ignorance on the subject but are those HD diesel truck coolants like Rotella ELC OK to use in passenger vehicles?


'Journalism is Dead'
Re: Mopar purple vs Rotella ELC [Re: PumpPusher] #4713394
04/01/18 03:27 PM
04/01/18 03:27 PM
Joined: Oct 2004
Posts: 8,484
Cincinnati, OH, USA
bullwinkle Offline
bullwinkle  Offline
Joined: Oct 2004
Posts: 8,484
Cincinnati, OH, USA
ELC has a lot in common with Dexcool, so it would be better in a Dex compatible system (or flush all the old out first). ELC usually has 2-EHA like Dexcool does, not sure what OAT the new Mopar purple uses, the MSDS states "proprietary inhibitors". There are some Jeep forums online where Mopar Orange (dyed G-05) got mixed with the purple in some of the early '13 Jeeps, sludge resulted.


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: Mopar purple vs Rotella ELC [Re: PumpPusher] #4713488
04/01/18 05:47 PM
04/01/18 05:47 PM
Joined: Dec 2015
Posts: 170
Texas
PumpPusher Offline OP
PumpPusher  Offline OP
Joined: Dec 2015
Posts: 170
Texas
While it's under warranty, I'll probably leave it. Now, if I delete it, I will definitely switch to ELC like my 7.3.

Re: Mopar purple vs Rotella ELC [Re: PumpPusher] #4746466
05/03/18 07:58 AM
05/03/18 07:58 AM
Joined: May 2010
Posts: 1,180
Ocala, Florida
racin4ds Offline
racin4ds  Offline
Joined: May 2010
Posts: 1,180
Ocala, Florida
I'd certainly put a diesel specific coolant in it! These OEM's thinking they can run their automotive coolant across the board in everything just causes issues!

IMO one of the biggest issues Ford had with the 6.0...


Just say NO to thin oils and M1!
05 F350 Powerstroke
05 Hyundai Tucson
08 Legacy GT
Re: Mopar purple vs Rotella ELC [Re: bullwinkle] #4751567
05/08/18 07:50 PM
05/08/18 07:50 PM
Joined: Jun 2002
Posts: 6,483
MI
doitmyself Offline
doitmyself  Offline
Joined: Jun 2002
Posts: 6,483
MI
Originally Posted By: bullwinkle
ELC has a lot in common with Dexcool, so it would be better in a Dex compatible system (or flush all the old out first). ELC usually has 2-EHA like Dexcool does, not sure what OAT the new Mopar purple uses, the MSDS states "proprietary inhibitors". There are some Jeep forums online where Mopar Orange (dyed G-05) got mixed with the purple in some of the early '13 Jeeps, sludge resulted.


The "new" MOPAR 10 year, 150,000 mile coolant is an OAT coolant sans 2-EHA,nitrite, phosphate, etc.. It's material standard number is MS 12106. When you google the ms number, you come up with numerous products that state that they meet this standard. Several labels indicate that it is suitable for light duty diesel engines only while other labels state their aftermarket product covers both light and heavy duty use shrug . The aftermarket products recommend 5 year/150,000 mile changes vs. MOPAR'S 10 year recommendation. Just sharing information.

- https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=17&ved=0ahUKEwjftcCrvPfaAhVlmuAKHU0TCmM4ChAWCI0BMAY&url=http%3A%2F%2Fwww.cleargsi.com%2FLiteratureRetrieve.aspx%3FID%3D191279&usg=AOvVaw3KkNMCpMLkjFGa2QQ2XJdA
- https://www.prideantifreeze.com/assets/pride_xl100-50_extended-life_antifreeze_v021015.pdf
- http://www.oemantifreeze.com/oem-orange/
- http://www.service-pro.com/documents/antifreeze/SP-AntiOrangespecSheet.pdf

I can't seem to find Prestone specs (someone help me), but I believe they have the MS 12106 label, at least the Dex Cool type.

racin4ds is correct that G-05 didn't hold up well in Ford diesels.


Regarding the original question, Rotella ELC NF (nitrite free) says it is Dex Cool compatible, but I don't see the MOPAR spec listed. I would not use it under warranty (just how I am).
- http://www.shell-livedocs.com/data/published/en/e8bfe995-5fba-4f1a-945e-5afe53e4e813.pdf

Interesting to me - these newest ELC coolants don't require additional SCA additions.

Re: Mopar purple vs Rotella ELC [Re: racin4ds] #4751969
05/09/18 11:18 AM
05/09/18 11:18 AM
Joined: Jan 2004
Posts: 4,639
California
nthach Offline
nthach  Offline
Joined: Jan 2004
Posts: 4,639
California
Originally Posted By: racin4ds
I'd certainly put a diesel specific coolant in it! These OEM's thinking they can run their automotive coolant across the board in everything just causes issues!

IMO one of the biggest issues Ford had with the 6.0...

But the new 6.7L PSD is running nothing more than Dex-Cool, the engine and truck OEMs are on-board with OATs and didn't John Deere run G-05 for the longest time?

Re: Mopar purple vs Rotella ELC [Re: PumpPusher] #4752408
05/09/18 08:14 PM
05/09/18 08:14 PM
Joined: Oct 2004
Posts: 8,484
Cincinnati, OH, USA
bullwinkle Offline
bullwinkle  Offline
Joined: Oct 2004
Posts: 8,484
Cincinnati, OH, USA
Biggest issue with the G-05 in the 6.0 PSD was neglecting it, causing the oil cooler to become a coolant filter & get plugged with silicate, cooking the EGR cooler. I put over 250K on an '03 E-350 with G-05-engine had a LOT of problems, but coolant wasn't one of them, because it was changed regularly. A coolant filter would still be a good idea, & ELC would not need to be changed as often.


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)

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