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Old 09-18-2017, 08:29 PM   #15
hammdo
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Anti freeze tester and this chart will help:




I run 100% distilled and water wetter in the heat of summer in both...

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Old 05-24-2020, 07:08 AM   #16
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Ok, I've read all the posts on this subject but want to hear from some folks on their opinion on this...I have like 4 gallons of the OEM Toyota coolant that I bought when I had a tundra that never got used. The only thing I can come up with is that the Toyota coolant does not have silicants and the Dexcom does. My understanding is that the silicants are used for water pump lubrication, but the silicants are also what drives why you have a time frame to change the coolant out. So if I flush out all the Dexcom and use this coolant will it be ok?
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Old 05-24-2020, 08:09 AM   #17
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In a word: yes. But just do as you say: "flush ALL of the Dexcool" out of the system.
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Old 06-05-2020, 10:13 AM   #18
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Quote:
Originally Posted by JB'sZL1 View Post
Yes. Know that it is a great coolant, but must be flushed every 5 years because of the silicone ingredient. Do it now, or no later than next year. Also know that your sc is on a separate system and uses the Dexcool also. This system too must be flushed every 5 years.
Shit, mine is now seven years old and has been on several race tracks, and I was thinking, seven years, would be about time to flush both systems.

Apart from tearing the motor and the supercharger, is there any way to tell whether there has been any damage?

Now that I've read this, I'm getting an appointment for having both flushed pronto, as I don't have the equipment to "burp" both systems nor do I have the working conditions to do it myself, else I would.
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Old 06-05-2020, 12:11 PM   #19
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Just do a thorough flush promptly of the entire system. Use distilled water to refill. You can also do a second flush with a neutralizer to be safe. 5 years is the limit before the silicone starts to react.
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