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Old June 7th, 2008, 09:17 PM   #1
Plato2k5
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Default coolant or water for cooling??

Whats better to run if the engine runs hot??

Straight water?

Water with the water wetter additive?

Coolant at 50/50 mix?

or coolant at some other mix??
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Old June 7th, 2008, 09:27 PM   #2
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Water runs coolest, but not as good for the interals as regular antifreeze. If your willing to flush it every winter id go water with a additive.
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Old June 7th, 2008, 09:57 PM   #3
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Yeah i know it will corrode the block/heads. I may just run 50/50 and add some additive.

Shit runs hot and silver lake is friday
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Old June 7th, 2008, 10:13 PM   #4
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50/50 with some water wetter, and make sure you dont have any air bubbles
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Old June 7th, 2008, 10:31 PM   #5
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If you want to bring it out to my house some time this week i can help you bleed it all out. I have a special coolant bleeder i bought for work.

By adding the additive its supposed to make it alot less corrosive if your running water. Id try the water and additive. Cheaper then buying coolant and supposed to work better for summer. I didnt do it just cuz i didnt want to worry bout a surprize cold day or somthing
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Old June 7th, 2008, 10:32 PM   #6
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What you running for fans?
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Old June 7th, 2008, 10:46 PM   #7
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Cold days are a hard lesson. I learned on T-day. But it does run cooler.
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Old June 8th, 2008, 01:18 AM   #8
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put a big ass radiator on that bitch with a tarus fan it'll keep cool but for now run water
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Old June 8th, 2008, 09:33 PM   #9
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if yer runnin hot, you can pull the t-stat for additional flow and / or increase the radiator size..... for the one time you forget to pull the water out, I would just run a mix..... engines aren't cheap nor easy to replace....
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Old June 8th, 2008, 09:45 PM   #10
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Coolant (glycol) is designed to dissipate heat. It also lubricates your pump. I was researching for antiifreeze additives for the water in my boiler stove and learned there is at least a 20% loss of BTU's when useing water mixed with glycol. It's a good antifreeze AND coolant, but bad for the use I was intending. So I would say much better than straight water, unless you think you'll cook the motor soon anyway, then a waste of money.
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Old June 9th, 2008, 09:48 AM   #11
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Quote:
Originally Posted by phazer42 View Post
if yer runnin hot, you can pull the t-stat for additional flow and / or increase the radiator size..... for the one time you forget to pull the water out, I would just run a mix..... engines aren't cheap nor easy to replace....

No t-stats usually result in an overheat, water circulates too fast to and there isn't enough heat rejection through the radiator

70% water
30% coolant

is the most effient mix
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Old June 9th, 2008, 04:27 PM   #12
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Quote:
Originally Posted by fsumotorhead View Post
No t-stats usually result in an overheat, water circulates too fast to and there isn't enough heat rejection through the radiator

70% water
30% coolant

is the most efficient(fixed) mix
x2
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Old June 9th, 2008, 05:55 PM   #13
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all a t-stat is a restriction in the line to hold back pressure to allow the engine to warm up more efficiently.... when I was racing late-models we would often take the t-stats out because we didn't care how engine ran when it was cold as it never took long to heat it up.... we ran many many laps, hard, without a t-stat (2 seasons worth and we finshed in the top 5 both seasons).... of course when we are racing, glycol isn't allowed, so we were running straight H20......

perhaps if you are having troubles with a t-stat removed your radiator is undersized..... just a thought.....
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Old June 9th, 2008, 06:05 PM   #14
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alunimun radiator griffen thats not undersized. Fan works great. I think it was the restriction in the exhaust. 1/2" hole to connect the exhaust to the Y in a 3" pipe...... yeah not so sweet.
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Old June 10th, 2008, 11:40 AM   #15
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Quote:
Originally Posted by phazer42 View Post
all a t-stat is a restriction in the line to hold back pressure to allow the engine to warm up more efficiently.... when I was racing late-models we would often take the t-stats out because we didn't care how engine ran when it was cold as it never took long to heat it up.... we ran many many laps, hard, without a t-stat (2 seasons worth and we finshed in the top 5 both seasons).... of course when we are racing, glycol isn't allowed, so we were running straight H20......

perhaps if you are having troubles with a t-stat removed your radiator is undersized..... just a thought.....
Automotive radiators are all undersized, because of the load factors involved. It isn't until you get a "performance" or specialty radiator that they are sized more appropriately, so in your case you are probably right about it offering enough capacity
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Old June 10th, 2008, 12:04 PM   #16
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Water With Water Wetter
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