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Water or Anti freeze????
#444351
08/20/09 05:04 PM
08/20/09 05:04 PM
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Anonymous
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Which will run cooler water or anti freeze? My 340 is running around 205-210 in 85F or 30c weather with anti freeze. Was wondering if it will run cooler with water? Any ideas???
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Re: Water or Anti freeze????
#444352
08/20/09 05:42 PM
08/20/09 05:42 PM
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Joined: Oct 2003
Posts: 7,506
Az
Crizila
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Posts: 7,506
Az
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Nothing transfers heat better than straight water. Won't help your situation much though - not to mention your boiling point will be higher than with antifreeze and no lube / anti-corrosion propertys with straight water. You need to look else where to cure your overheat issues - if you consider 210 - too hot.
Fastest 300
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Re: Water or Anti freeze????
#444353
08/20/09 07:07 PM
08/20/09 07:07 PM
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Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
torkrules
I'm neurotic
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I'm neurotic
Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
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Quote:
Which will run cooler water or anti freeze? My 340 is running around 205-210 in 85F or 30c weather with anti freeze. Was wondering if it will run cooler with water? Any ideas???
When does it heat up, idling, when your moving or when you get on it? In simple terms, if it heats up when idling but cools down when moving, it's usually an air flow/water flow at low speed problem. If heats up while driving it could be the rad is too small or there is an obstruction in the rad/water jackets.
Make sure all of your hood seals/stone shield are in place. Believe it or not when these things go missing it messes up the air flow through the rad. Use a fan shroud and possibly a solid fan (no clutch or flex fan). Use a high volume pump and a thermostat no hotter than 180 degrees. Don't use underdrive fan pulleys. Make sure you don't have a lean condition and that the timing is set correctly. No more than a 50-50 mix of antifreeze.
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Re: Water or Anti freeze????
[Re: Crizila]
#444356
08/21/09 12:03 PM
08/21/09 12:03 PM
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Joined: Jan 2003
Posts: 27,467
So Cal
autoxcuda
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Too Many Posts
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Posts: 27,467
So Cal
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Quote:
Quote:
Here's a very well thought out test and comparision:
http://www.turbomagazine.com/features/0703_turp_cooling_system_additives/test_results.html
Justice Brothers Super Radiator Cool plus water provided the most cooling.
Splitin hairs - IMO. Too many variables ( they even stated there was a 5 degree outside temp change during testing. Minute rpm changes will cause bigger temp changes than most of what they reported.
Got a better test?? 
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Re: Water or Anti freeze????
[Re: ahy]
#444360
08/22/09 06:53 AM
08/22/09 06:53 AM
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Anonymous
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The temperature runs between 190-210 tends to creep up on the hiway. I am using a cluth fan. I have a 3 core rad. Seems to me the last time i drove the car 2 years ago it ran at 190 all the time. Is 210 too hot????
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Re: Water or Anti freeze????
[Re: ahy]
#444362
08/22/09 08:08 AM
08/22/09 08:08 AM
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My rad is only four years old, and is 3 core. How do you flush them???
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Re: Water or Anti freeze????
#444363
08/22/09 09:35 AM
08/22/09 09:35 AM
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Joined: Sep 2007
Posts: 14,889
up yours
Supercuda
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About to go away
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Hmm, hot rod 340, little radiator, tight engine compartment, yeah it's gonna run a bit warmer than stock but 210 is not a problem.
Now if it starts puking coolant then yes you got an issue. Also, where are you getting the 210 reading from and how? Cause a stock guage doesn't give that.
They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.
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Re: Water or Anti freeze????
[Re: Supercuda]
#444364
08/22/09 09:37 AM
08/22/09 09:37 AM
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Anonymous
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I have an auto meter guage
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Re: Water or Anti freeze????
#444365
08/22/09 09:53 AM
08/22/09 09:53 AM
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Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
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Posts: 36,040
Lincoln Nebraska
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take the stat out for 1 day & take her out & see how hot she gets. wont hurt things to have a slow warmup from no stat for (1) day & it will confirm/deny if it's a stat restriction problem. then I'd take the rad out & turn it upside down & spray your garden hose water nozzle in the bottom nipple(now at the top)to backflush it & see if any crud comes out & if not then the garden hose is not touching it & I'd have a rad shop boil/rod it.
live every 24 hour block of time like it's your last day on earth
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Re: Water or Anti freeze????
#444366
08/22/09 10:08 AM
08/22/09 10:08 AM
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Joined: Sep 2007
Posts: 14,889
up yours
Supercuda
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About to go away
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Ok, good guage, where is the sending unit located? Stock position or elsewhere? It makes a difference. If it's a mechanical guage you can't put the sending unit in the stock location, especially if you have AC. But as long as it's in the front water crossover it should be reasonably accurate. I've got a 65 Cuda, close enough to your Dart to be useful.
There are several things that can cause a high reading without it actually being "real". Years ago I had a Diplomat with a 360 that had high water temps without any other symptoms. Turned out it was an exhaust flapper issue, the spring that opened it up broke so it stayed shut. This would cause the exhaust to always go thru the crossover in the intake, heating it up and causing the temp guage to read high.
But to be honest I would not be concerned about 210 temps.
They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.
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