radiator fluid question
Elder User
Joined: Sep 2007
Posts: 881
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From: dallastown pa
Gee folks the ideal mix is 40/60 if you want to be technical about it, When I was in school working in a garage thas what I learned but most people go 50/50 as stated to idiot proof things. The dexcool was to be a long term coolant that was changed at 100,000 miles instead of 30,000 most coolants are compatibale but there are a few that are not because there base was dissigned for aluminum blocks. Don't remember which is which any more and my smart book is at home in the garage.
Postmaster
Joined: Aug 2005
Posts: 2,760
Likes: 8
From: Gadsden Purchase
My son worked for a reverse osmosis water outfit. He claimed that the RO water was more reactive to the pipes and fittings than tap water. Same for softened water and especially for de-ionized water. "distilled water" was a problem too BTW.
Seems to me if that has any truth to it...
your options are tap-water or...
"fancy" water mixed with "engine coolant".
=shrug=
Anybody know?
I go ahead and run about a 50/50 mix because it raises the boiling temperature and don't know if it's true... but that's supposed to help with the cooling in the long run.
Even tho straight water carries heat better.
Got any ideas on that? :)
Alvin in AZ
Seems to me if that has any truth to it...
your options are tap-water or...
"fancy" water mixed with "engine coolant".
=shrug=
Anybody know?
I go ahead and run about a 50/50 mix because it raises the boiling temperature and don't know if it's true... but that's supposed to help with the cooling in the long run.
Even tho straight water carries heat better.
Got any ideas on that? :)
Alvin in AZ
Senior User
Joined: May 2007
Posts: 273
Likes: 0
From: Laurel, MT
I do 50/50 with distilled and green coolant.
Tap water varies with each city or municipality and the trace mineral content and PH could be anything. It's safer to go with distilled because it has most of the impurities removed.
VW/Audi uses a specific G12 coolant that can't be mixed with any other coolant, and it cost about $10 for a 1.5 liter bottle. So I don't mind that my truck is not picky.
Tap water varies with each city or municipality and the trace mineral content and PH could be anything. It's safer to go with distilled because it has most of the impurities removed.
VW/Audi uses a specific G12 coolant that can't be mixed with any other coolant, and it cost about $10 for a 1.5 liter bottle. So I don't mind that my truck is not picky.
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