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Old 05-08-2008, 06:09 AM   #1
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water over coolant

im replacing the tstat and i think i might fill the car back up with just water.
i have read somethings that say using water cools better. i know that in the winter ill have to get coolant back in there so it does not turn to ice.

so my question is has anyone done this?
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Old 05-08-2008, 06:13 AM   #2
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Bad idea.


The anti-freeze/coolant is also a corrosion inhibitor.

If you do this, use distilled water.

Also, just try a bottle of "water wetter" in your coolant.

I have this in my 86, and it's great.
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Old 05-08-2008, 06:17 AM   #3
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Quote:
Originally Posted by Palmer View Post
Bad idea.


The anti-freeze/coolant is also a corrosion inhibitor.

If you do this, use distilled water.

Also, just try a bottle of "water wetter" in your coolant.

I have this in my 86, and it's great.
x2 only use water in emergency's

good to know on the "water wetter"
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Old 05-08-2008, 06:18 AM   #4
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Old 05-08-2008, 06:25 AM   #5
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so water wetter and water would cool alot better than coolant. i might do 70 water and 30 water wetter.
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Old 05-08-2008, 06:30 AM   #6
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The coolant protects the metal in your engine. I've never used watter wetter, I don't know if it has corrosion inhibitors. And not all coolants are made equal, some have better rust prevention than others (like mercedes coolant and similar). They sell some good stuff on eeuro for not too much $$.

Think about it, do you want the inside of every metal coolant passage in your engine, radiator, and heating system to be covered in rust? Your radiator life will shrink drastically, and floating bits will probably shorten the life of other parts as well.
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Old 05-08-2008, 07:27 AM   #7
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so water wetter and water would cool alot better than coolant. i might do 70 water and 30 water wetter.
Using Water is a bad idea unless an emergency. Palmer had the right idea

Quote:
Originally Posted by Palmer View Post
Bad idea.


The anti-freeze/coolant is also a corrosion inhibitor.

If you do this, use distilled water.

Also, just try a bottle of "water wetter" in your coolant.

I have this in my 86, and it's great.
add the water wetter to your coolant. Other than reading that it cools better what is your reason for using water? Also if it cooled so much better don't you think that would be what is used...
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Old 05-08-2008, 07:56 AM   #8
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The PI ( Product Info sheet says you need at least 33% coolant plus diluted wetter/water.

Water wetter PI sheet
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Old 05-08-2008, 02:24 PM   #9
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Coolant also has a higher boiling point than water as well as the lower freezing point. In addition to the already stated corrosion inhibiting charachteristics, coolant is the only thing that keeps the water pump lubricated.
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Old 05-08-2008, 02:30 PM   #10
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after reading all the spec sheets im going to do a 50% water 25% coolant and 25% water wetter. does anyone know if they make a low temp tstat? i have a 94*c one and a 89*c one. something like 82* would be nice.
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Old 05-08-2008, 03:10 PM   #11
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I was reminded earlier today that our cars have aluminum internals.. wouldn't that mean that water wouldn't corrode or rust it out anyway?
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Old 05-08-2008, 03:41 PM   #12
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I was reminded earlier today that our cars have aluminum internals.. wouldn't that mean that water wouldn't corrode or rust it out anyway?
thats what i thought but i was going to look into it more before i said something.
water cools better than coolant, it has better heat transfer. i just have to add some water wetter to help lube it up. i found a low temp tsat at autozone its a 82*c one. so a 180f over a 195f stock one. thatshould help keep things cooler.

who has added a switch to turn the fans on? i did a search but with no luck.
how did you hook it up, does it work off the temp sensor still?
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Old 05-08-2008, 03:48 PM   #13
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i may have to hit you up on swapping that sensor and possibly using a water mixture in my NG. I am swapping the radiator tomorrow.
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Old 05-08-2008, 03:53 PM   #14
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i may have to hit you up on swapping that sensor and possibly using a water mixture in my NG. I am swapping the radiator tomorrow.
grab one of those tstats (the low temp ones) that way there will be two of us with them.
so by doing that along with the other mix we should get alot better cooling.
i how this fixes my heat soak issue.
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Old 05-08-2008, 03:57 PM   #15
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grab one of those tstats (the low temp ones) that way there will be two of us with them.
so by doing that along with the other mix we should get alot better cooling.
i how this fixes my heat soak issue.
yeah i may do that in a couple of weeks. also throw on my Viggen IC as that will help
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