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Opinions on Water Wetter, Purple Ice, or similar producs. Do they make a difference. (I live in Tucson AZ) I plan on going with an 80% distilled water and 20% coolant with Purple Ice.

I was in the process of adding Purple Ice but for some reason my radiator won't drain - took off radiator cap then turned petcock 90 degrees (bottom driver side on radiator)and nothing came out? Is there another step that I am missing?

07.5 4X4 Mega SLT Auto - stock at this point in time.
 

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there is a vent on the passenger side of the engine that may have to be opened. Its by the EGR cooler. It has a sticker on it that says something to the effect of Vent where when filling.
 

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Opinions on Water Wetter, Purple Ice, or similar producs. Do they make a difference. (I live in Tucson AZ) I plan on going with an 80% distilled water and 20% coolant with Purple Ice.

I was in the process of adding Purple Ice but for some reason my radiator won't drain - took off radiator cap then turned petcock 90 degrees (bottom driver side on radiator)and nothing came out? Is there another step that I am missing?

07.5 4X4 Mega SLT Auto - stock at this point in time.

I use Water Wetter in every thing. Yes it does work. I mainly use it to give the water pump some extra lube. :thumbsup
 

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Water wetter is awsome, I use it in all my bikes and my old Chevy.
 
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