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Why not Car Coolant? - Page 7

post #61 of 79
Quote:
Originally Posted by Hawk777th View Post
As P said it sucks for cooling. Race cars don't run coolant at all because they aren't allowed to freeze. Coolant protects the cooling system from rust and the engine block from freezing. Water actually does the heat exchanging work in the loop of a car. The more water you can run and less coolant the better the temps are in your car.
actualy the main reason race cars are not allowed to run coolant in the cars is, if there is a blowout of some kind in a pipe etc.... coolant on the surface is very slipery and can or will cause a huge accedent....
coolant when it gets hot expands more than water so it can be very problamatic in cars etc...

i can see you have an idea but not quite there yet.

normal car coolant can work but the life in you pump will be shortened a little as the viscosity is a little think that that of water. depending on how you have your setup, it will perform well or just under the std watercooling std's... that is hugely governed by the radiator design (core size etc...) but hey think of it this way... you stuff will not rust and it will lubricate your pump better than the suff the guy recomend for your loop
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post #62 of 79
Quote:
Originally Posted by ezveedub View Post
Your personal experience with what exact coolant? I just personally don't believe in pure water only. You still see people changing tubing or having issues with waterblocks corroding or plating erroding with straight water. I would prefer an additive to prevent any issues, than none at all.
That would be "any Ethylene Glycol based product" regardless of brand, Prestone ETC.

I have had no issues with my copper/brass blocks corroding, the internals were shiny and clean even after a 10 month run on pure distilled water.
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post #63 of 79
Quote:
Originally Posted by fstfrddy View Post
That would be "any Ethylene Glycol based product" regardless of brand, Prestone ETC.

I have had no issues with my copper/brass blocks corroding, the internals were shiny and clean even after a 10 month run on pure distilled water.
OK, well I'm not in the same category. Like I said, Prestone and the other local coolant is crap. Well known NOT to use those coolants from the automotive side on European cars, since it eats away at internal components which I've personally had to repairs for people in the business, so its no different in PC waterloops.
Edited by ezveedub - 5/28/11 at 8:55am
     
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post #64 of 79
My goal in the use of a small amount of anti-freeze was not to inhibit corrosion, not to increase heat transfer, not to increase lubrication of any part, jusy 2 oz to prevent alage growth. I have 2 watercooled rigs,I put the 2 0z anti freeexe in one and not in the other. Neither rig shows alge growth.

I did not know the reason it was possible to drink anti-freeze and live so I just thought it safer to say "please do no to do this". Now that I am armed with the facts, I still say "please do not drink anti freeze". I read about this little stunt in one of Hunter Thompson's stories of "riding and runnin". If you never have heard about Hunter Thompson, give he a read. There is a certain personality type that Hunter Thompson appeals to. Hunter passed away surely 5 years ago, probably 10, he was a journalist and liked to live what he wrote about.

Refering to this from another member, :I'm working on my doctorate in pharmacy right now. Anti-freeze is only toxic after your body starts metabolizing it. It uses the same enzymes as ethanol, so mixing it with liquor actually makes it less toxic. Alcohol and ethylene glycol compete for the same metabolism and it gives you body more time to get rid of it (the non-toxic product) through other means. You might have heard, if you drink antifreeze, you get a health dose of ethanol at the hospital to prevent your body from making the toxic metabolites
Edited by PCCstudent - 5/28/11 at 3:15pm
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post #65 of 79
Quote:
Originally Posted by PCCstudent View Post
I did not know the reason it was possible to drink anti-freeze and live so I just thought it safer to say "please do no to do this". Now that I am armed with the facts, I still say "please do not drink anti freeze". I read about this little stunt in one of Hunter Thompson's stories of "riding and runnin". If you never have heard about Hunter Thompson, give he a read. There is a certain personality type that Hunter Thompson appeals to. Hunter passed away surely 5 years ago, probably 10, he was a journalist and liked to live what he wrote about.
post #66 of 79
Quote:
Originally Posted by PCCstudent View Post
Please don't do this but there are some "manly" type bike clubs that use vodka and anti-freeze as a sort of initation drink. It seeem that with anti freeze the human body can tolerate some level of injestion before it kills you, probably drive you a bit loco on the way out also. I put an ounce or so in the loop,strictly as a biocide.The recommendation to use as a biocide came off the Corsair site in my case.

sounds like the vagos, a few of my 1%er buddies told me about that and sometimes its tequilla or whiskey depending on the outlaw club. antifreeze wont kill a human unless you drink more than a few oz. ive swallowed it on accident while bleeding out loops on specialized custom rat rodz. its not advised and not a smart idea to drink it on purpose. getting it in your mouth wont kill you as long as you dont swallow a mouth full of straight antifreeze.

with that being said be smart about using it and what you do with it...
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post #67 of 79
Thread Starter 
after reading all the ideas, i have decided to mix a distilled water with 25% of premium red coolant. this 25% of red car coolant is composed of distilled water and 540g/L of ethylene gycol.

i am more concern on the growth of anything on my loop.

i really love my watercooling set-up now.
    
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post #68 of 79
Quote:
Originally Posted by rheicel View Post
after reading all the ideas, i have decided to mix a distilled water with 25% of premium red coolant. this 25% of red car coolant is composed of distilled water and 540g/L of ethylene gycol.

i am more concern on the growth of anything on my loop.

i really love my watercooling set-up now.
You can reduce the concentration IMO. Since I use G12 coolant, I only go to 10-15%. I haven't seen anything grow or appear in my loop now for 4 months.
     
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post #69 of 79
Thread Starter 
Quote:
Originally Posted by ezveedub View Post
You can reduce the concentration IMO. Since I use G12 coolant, I only go to 10-15%. I haven't seen anything grow or appear in my loop now for 4 months.
Thanks. I will try to reduce the concentration then.
    
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post #70 of 79
Quote:
Originally Posted by fstfrddy View Post
That would be "any Ethylene Glycol based product" regardless of brand, Prestone ETC.

I have had no issues with my copper/brass blocks corroding, the internals were shiny and clean even after a 10 month run on pure distilled water.
This.
As long as all of the metal elements contained in your loop are "compatible" on the galvanic table, corrosion is literally a non-issue.
Silver, Copper, Nickle, Brass are all (roughly) around the same area on the table (aluminum is on almost the exact opposite end of the table), and therefore do not provide a means for galvanic corrosion. Most of the evaporation of water (which allows for oxidization to occur) happens in the reservoir and the metal is almost always (aside from loop bleed time) completely submerged in the coolant. In the case of the coolant being distilled water which has nearly no impurities. This disallows oxidization as there is no non-coupled oxygen (its coupled with hydrogen) available for the reaction to occur with. However, over time it is possible for trace amounts of impurities to infiltrate your distilled water at which point algae MAY become able to survive in the environment of your cooling loop, at which point some kind of biocide becomes necessary. Some people prefer the chemical mixture solution of Distilled Water and PT nuke, others prefer the permanent solution of a silver coil.
In other words the *ONLY* benefit to running any kind of car coolant in a PC cooling setup is lubrication. There are purely lubricating additives available, but I haven't seen ANY hard evidence that the MCP-355's stock bearing lubrication needs or benefits from any assistance with only water being pumped through it.

Some further information:

http://www.engineersedge.com/galvanic_capatability.htm
This chart lists the anodic index in volts of many common groups of metals, and gives some general guidelines for checking compatibility.
Edited by Xaero252 - 6/1/11 at 5:22pm
    
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