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Radiator Additives?? [Archive] - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

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green4191
07-24-2006, 09:51 PM
I've found some additives that claim to make the engine run up to 30 degrees cooler, does anyone know if they are safe to use? Tired of running hot!

ehall0527
07-24-2006, 11:59 PM
Hmmm...not sure if those additives would be a good idea, especially considering the Trailvoy's come with Dexcool, not antifreeze. I really doubt the additives would work for both. Plus, I dont know if I would believe a claim like that. Just my :m2:

Spong
07-25-2006, 09:03 AM
Additives like Water Wetter etc are for non-Dexcool applications. I think they even say right on the bottle.