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This is a discussion on Coolant within the Engine & Performance forums, part of the 4th Gen : 2009 - Present category!
Dex is OAT, but OAT isn't necessarily Dex. That link doesn't give complete info, I will get the right one. ...


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Old 12-30-2016, 09:15 PM   #21 (permalink)
 
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Dex is OAT, but OAT isn't necessarily Dex. That link doesn't give complete info, I will get the right one.

Read this for sure.

So your orange HOAT if that is what it is, is Rams version of Zerex G05, made by Zerex. Safe play would be put back g05, but if you want to extend your interval, I would get Chrysler OAT. If you go back to g05, I think they lesson the drain interval, so every 3 years instead of 5. Factory fill is one thing, but as your coolant system ages, beter to flush a little more often. GL


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Last edited by Burla; 12-30-2016 at 09:26 PM.
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Old 12-30-2016, 09:35 PM   #22 (permalink)
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Wait what? So how can I get oat specific in a major retailers? If dex cool isn't really oat. I find it odd dex is actually a Gm royalty
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Old 12-30-2016, 09:43 PM   #23 (permalink)
 
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I don't know what OAT is not Dex or exact dex clone other then Chrysler Purple. Did you read that link?

Neither Chrysler nor Fiat has released the complete composition formula for their antifreezes. They reportedly are cocktails of three organic acids, featuring sebacate, but no 2-ethylhexanoate (2-EHA). The latter is a cost-effective but controversial additive that softens plastics, particularly silicone, leading to leaks from affected sealing materials, which means that silicone cannot be used in gaskets, O-rings, and hoses if the antifreeze contains 2-EHA.

They are talking about the additive in Dex that fucks up your shit. GM has went to a lot of trouble to run dex anyway, is your Ram also capable of running dex when Ram didn't manufacturer their vehicle with that in consideration? Just run the G05, would be my suggestion. GL and G-nite.

If anyone knows a different Oat then Ram Purple that isn't a dex clone (no 2-EHA), post it up will ya?

Syn runs some other stuff in his Ram, looks promising. I'm surprised he didn't say, it is real popular at Bob's as well.



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Old 12-30-2016, 09:51 PM   #24 (permalink)
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That's where I started getting confused. I say to NOT run dex in my truck and don't plan to but how can they manufacture a vehicle to run something you can't just pull off the shelf and top your fluids off? That's crazy to me
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Old 12-30-2016, 09:53 PM   #25 (permalink)
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So can I just order this?

https://www.amazon.com/gp/aw/d/B00PL...BmL&ref=plSrch
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Old 12-30-2016, 09:56 PM   #26 (permalink)
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Crazy for sure....I had mine flushed at dealer and mine looks same as you in rad oranage.. I read a post on here that had a star update from ram with pics stating that oat can look orange in the rad. It looked exactly like ours. WTF I'll be back double checking mine... I have searched for that thread just can't seem to find it or that pic. Burla do you remember reading it or seeing it?


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Old 12-30-2016, 10:00 PM   #27 (permalink)
 
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I thought that thread said pink, so I'm not sure if that was the thread?

I don't know if that is Chrysler purple or not. It is the 10 year coolant, so that is Oat.


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Old 12-30-2016, 10:02 PM   #28 (permalink)
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Ah to heck with it. I ordered 2 gallons of the mopar specific 10 yr/150k mile stuff from amazon prime. Guess I'll just be super careful when changing my thermostat. Or just wait. Lol
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Old 12-30-2016, 10:03 PM   #29 (permalink)
 
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Here is what I use now!

Global Lifetime 50 50

http://images.peakauto.com/PEAK_Glob...back_LORES.pdf

Practically identical chemistry of the Mopar coolant! It is also labeled as a ELC! I'm golden till 100K miles.
I mixed @ 60/40 Safe down to -20/-15 degrees.

Gives a little bit better cooling capabilities! Plus the addition of RMI-25 just gives that added protection.

$12 a gallon at Loves / Walgreens!

Just ordered this!
Tired of not being able to see level in coolant Reservoir!

Dorman 603-571 Non-Pressurized Coolant Reservoir https://www.amazon.com/dp/B01ID3S18I..._YGYzybVJWWKYT
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Old 12-30-2016, 10:04 PM   #30 (permalink)
 
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So how much does your cooling system take, this I don't know at all. I would premix outside in gallon jugs, much easier imo when putting back after a flush.


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