Coolant

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skirider

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Going to do a flush at the dealer. Or my buddies shop. On machine. 2011 5.7 1500

Mopar oem or zerex g-5.

Water ? Distilled or tap
 

Burla

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I think your year is HOAT, I get premixed if I could if not distilled for sure. Look into RMI-25.
 

WiSH2oo0

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2017 1500 Express 4wd RCSB
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Hemi 5.7
I just did mine a couple weeks ago with Zerex G-05 and distilled water. It is far cheaper to mix your own vs buying the premixed 50/50.
 

SyN

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If you are doing a complete Flush. I would definitely go with the G-05. Very easy to find if needed. Excellent coolant.

Yes Mix with Distilled H20. Since it really never gets extremely cold here during the winter. I mix 60/40-->Water cools better then coolant.

Like Burla stated above-->Give RMI-25 a look see! Gives that cooling system a bit of added protection.

RMI25 - Engine Coolant System

Used it in my 01 7.3L Powerstroke along with a spin on coolant filter. The stock water pump life span was 120K miles. After 298K miles at the time i sold her the stock water pump was still in place working perfect with zero leaks. Now I use it in my Ram as well as the other 3 family autos.
 
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skirider

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Ok not to concerned about price but if g-5 is sMe stuff and easily avaialble . Im thinkin most shops are not using distilled water
 

kevperro

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Use distilled water. Depending on where you are at the water hardness from the tap can significantly shorten the lifespan of commercial coolants.
 

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