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Coolent 2017 gmc 3500 HD

Duke2017
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CamGTP Senior Enthusiast

CamGTP

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Posted

If you buy coolant concentrate, then yes you must dilute that with water.

 

A 50/50 mixture is not required but is the benchmark number. That is good for roughly -34F freeze point, a 60/40 mix is good a little bit lower.

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Bobatka New Member

Bobatka

Posted
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On 12/24/2022 at 11:08 AM, CamGTP said:

If you buy coolant concentrate, then yes you must dilute that with water.

 

A 50/50 mixture is not required but is the benchmark number. That is good for roughly -34F freeze point, a 60/40 mix is good a little bit lower.Sonic exe

I'm not sure with my exact ratio.

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newdude Senior Enthusiast

newdude

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On 12/23/2022 at 5:56 PM, Duke2017 said:

Can you just put in a good brandCoolent. Or does it have to be a concentrate where you mix. For my truck

 

 

Dexcool.  It can be GM or Prestone or whatever, but use Dexcool.

 

 

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