Water Coolant Additives
I did a search but did not get definitive results. So what is the preferred water coolant additive for an aluminum radiator, electric water pump and iron heads and block. Looking for some rust inhibitor qualities along with some pump lubrication and increased cooling efficiency. I have seen stuff from Driven, Royal Purple, Redline and others, are there any differences or is one better than the others?
Also, any thoughts on the age old debate of distilled water verses regular tap water?
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