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Old 09-12-2005, 12:52 PM   #1
bigarmzz
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what does using "distilled water" in your cooling system do?...i dont see how in the world that would make a difference.....???

thats a new one on me
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Old 09-12-2005, 01:09 PM   #2
cableguy0
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its a purer water so it wont boil as quickly. distilled water will not boil until a foreign material is introduced into it
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Old 09-12-2005, 02:02 PM   #3
454HO
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distilled water = no minerals like calcium, lime, heavy metals, etc. (all the stuff that can clog up the passages in your radiator over time).

Also, 100% pure water is a more efficient coolant than a 50/50 mixture of antifreeze and water. However, running just water is asking for corrosion problems, even if it is distilled. I use RMI-25 in my cooling systems. In the summer, I do not use any antifreeze at all. In the winter I add just enough to protect from freezing, which isn't much here in Houston.

As for the thermostat, I like to use a 180° high flow stat. But then I also drill a couple 1/16" holes to help purge air out of the system when filling it up.
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