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post #1 of (permalink) Old 02-06-2003, 08:26 PM Thread Starter
 
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40 below additive does it work?

i've been reading about all these radiator coolant additives, my question is do they work? my jeep is having a bit a problem staying cool. i have a 383 and a 3core conversion radiator. its a new motor so i hope it will start to cool off as it gets broken in, but i would like to make sure it stays cool during the first couple hundred miles.
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post #2 of (permalink) Old 02-06-2003, 09:06 PM
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Re: 40 below additive does it work?

Pure water is the best conductor of heat. Once you start adding Antifrezze the amount of heat(btus) water can carry goes down. So only use as much as you need for freze and boilover protection, more is not better.
I would think that the wetting action could help.
post #3 of (permalink) Old 02-06-2003, 09:50 PM
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Re: 40 below additive does it work?

i know a lot of folks who beleive in redline's water wetter, and i trust it also. the 40 below stuff you speak of i think i tried in a VW i used to have and it made no difference. that thing had a digital temp gauge too so im not just guessing. just my .02
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post #4 of (permalink) Old 02-07-2003, 12:37 AM
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Re: 40 below additive does it work?

I have also heard very good things about the "Water Wetter", but have never used it personally, so take that with a grain of salt. Do a search here, we talked about it a few years ago and had a pretty good discussion about it.
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post #5 of (permalink) Old 02-07-2003, 02:03 AM
 
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Re: 40 below additive does it work?

I`ve been battling cooling problems with my CJ for about 2 years. Its mainly in 90+ heat that I have prob`s.
I`ve tried everything, Including a "Water wetter", To no avail. Next thing is going to be an aluminum radiator.
Everything I`ve read says thats the way to go when all else fails. What worries me though is spending the money
and finding I still have the problem.
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post #6 of (permalink) Old 02-07-2003, 08:58 AM
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Re: 40 below additive does it work?

are you running a fixed or clutch fan?
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post #7 of (permalink) Old 02-07-2003, 11:11 AM
 
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Re: 40 below additive does it work?

Do you have a shroud on your radiator? And if you are going by the temp gauge, are you sure it's accurate?
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post #8 of (permalink) Old 02-07-2003, 11:56 AM
 
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Re: 40 below additive does it work?

There was an article about that in JP a couple of months ago, they have a couple of rigs and what the guys did to help keep cool. Here's the link cooling tips
just follow the article and then the links to the other rigs.
Hope this helps.
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post #9 of (permalink) Old 02-07-2003, 12:48 PM
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Re: 40 below additive does it work?

I had the same issues with my 383 Chevy in a `62 CJ5 last summer. I know of Redline's water wetter and 40 below, from the race track. I work on some NASCAR race cars during the summer here in Denver. I had tried everything to cool this thing down, a steel racing fan, additives, electric fan in front of the radiator.....etc. The thing that I found that finally cooled it of was to drill 2" holes in the bottom of the inner fenders. If you have everything blowing hot air over the engine and no where to exit it will keep you temps smokin hot. This was proven to me by a friend who has a small block Chevy in his CJ, but ,had fenderwell headers and took them off. He states," It never runs over 175." I looked at his fenders and there they were cut for the headers. But, if you don't want to do that try CRC's "Engin Kool" it comes in a quart oil can, and can be had for about $6.00 at NAPA.

L8r,

TheBigUgly [img]images/graemlins/givemebeer.gif[/img]

p.s. my radiator is a 2 core out of a `64 Impala modine #281
post #10 of (permalink) Old 02-09-2003, 07:38 PM
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Re: 40 below additive does it work?

Evans coolant won't boil 'til 375 ......require NO system pressure and if locally boiled (on a hot spot) will recondence into the coolant (no air cavitation). With this stuff you can operate at higher temps without boiling over.
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