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#4713116 - 04/01/18 09:41 AM Mopar purple vs Rotella ELC
PumpPusher Offline


Registered: 12/18/15
Posts: 138
Loc: 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?

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#4713131 - 04/01/18 09:52 AM Re: Mopar purple vs Rotella ELC [Re: PumpPusher]
Linctex Offline


Registered: 12/31/16
Posts: 5714
Loc: Waco, TX
Maybe it's a new Cummins specification?
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"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4713153 - 04/01/18 10:19 AM Re: Mopar purple vs Rotella ELC [Re: PumpPusher]
bullwinkle Offline


Registered: 10/09/04
Posts: 7479
Loc: 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), 15 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)

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#4713154 - 04/01/18 10:20 AM Re: Mopar purple vs Rotella ELC [Re: PumpPusher]
CT8 Offline


Registered: 10/09/14
Posts: 10553
Loc: Idaho
I is an oat coolant no?
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#4713260 - 04/01/18 01:10 PM Re: Mopar purple vs Rotella ELC [Re: PumpPusher]
pbm Offline


Registered: 04/19/04
Posts: 7487
Loc: New York
Excuse my ignorance on the subject but are those HD diesel truck coolants like Rotella ELC OK to use in passenger vehicles?

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#4713394 - 04/01/18 04:27 PM Re: Mopar purple vs Rotella ELC [Re: PumpPusher]
bullwinkle Offline


Registered: 10/09/04
Posts: 7479
Loc: 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), 15 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)

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#4713488 - 04/01/18 06:47 PM Re: Mopar purple vs Rotella ELC [Re: PumpPusher]
PumpPusher Offline


Registered: 12/18/15
Posts: 138
Loc: 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.

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