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Old 07-20-2006, 12:44 PM
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Water Wetter?

Anyone use a water additive like water wetter? What do you use and does it work?
I'm running 185 degrees at the thermostat, which isn't bad (at least I don't think), but was wondering if I can get it cooler. I have a 400ci 30 over, elderbrock manifold and cam, and a huge aluminum radiator. Everthing else is stock

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Old 07-20-2006, 12:55 PM
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185* is plenty cool, why do you want to go colder than that?
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Old 07-20-2006, 01:01 PM
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I agree, just curious. It's 185 at the thermostat idling. That's with a lazer thermometer. Can I assume under driving conditions it won't get any hotter?
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Old 07-20-2006, 01:19 PM
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As long as the airflow is adequate, both in and out of the engine compartment, and heads/gaskets are good, the coolant temperature should not rise too much.
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Old 07-20-2006, 02:09 PM
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The way I see it, your hottest temps will be while idling in traffic. If it doesn't heat up then, it shouldn't ever heat up.
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Old 07-20-2006, 03:26 PM
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Try this;
Park your car in front of a wall,in the sun, radiator about three feet away from the wall.
Let your car idle for something like an hour, in the mean time monitor your temp.
If you car stay around the 185 mark , its perfect.

If not satisfied, first try a fan shroud, visco clutch, lower stat.

Wander.
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Old 07-20-2006, 03:36 PM
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If it ain't broke...don't fix it. The newer cars run at 195-205. They claim the hotter temp makes them burn the gas more efficiently therefore getting better mileage
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Old 07-20-2006, 03:41 PM
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I would assume its because hotter air is less dense, therefore you need less fuel to maintain a proper AFR.
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Old 07-20-2006, 04:24 PM
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Yes, Water Wetter works. I went from around 195 degrees to 185 degrees with no other changes. I works by reducing the surface tension of the coolant so there is better heat transfer from the engine metal to the coolant and then back to the radiator tubes.

tom
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Old 07-20-2006, 04:32 PM
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Quote:
Originally Posted by machine shop tom
Yes, Water Wetter works. I went from around 195 degrees to 185 degrees with no other changes. I works by reducing the surface tension of the coolant so there is better heat transfer from the engine metal to the coolant and then back to the radiator tubes.

tom
so does four or five drops of ivory soap in the radiator .....breaks surface tension. However, with the crap coming out of the pumps that "passes for gas" the motor needs to be as hot as possible to burn this junk. I really don't see where 185 would be a problem.
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Old 07-20-2006, 06:08 PM
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I spent the $10 for a bottle of Water Wetter one time.

I wasn't happy with the results. My Wagon always liked to run about 190 and I wanted it down a few degrees so I thought I'd try the Water Wetter.

No change as far as I could tell from the temp gauge in my dash. This is a Stewart/Warner temperature gauge.
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Old 07-20-2006, 06:37 PM
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tempertures

Why was it that back in the 50 & 60 we ran a 180 in the winter and changed to a 160 in the summer. I know they lowered it, oct. rating on gas and went from a 180 to 195. lower oct. gas, lower compression ratio, plus a hotter spark. The less pressure , the hotter the spark to ignite the gas. Plus the higher the pressure in the rad. the hotter it can get before it boils.All things being equal, why don't we run it up to 1000 or 2000 and use it to cool the interior and do away with the air cond.
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Old 07-20-2006, 07:26 PM
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I use 2 cans of water wetter,maybe 1 lt antifreeze and the rest water. I run 180 most times and maybe 190 in hot (90 deg+ ambient temps) when stuck in traffic. When the cold weather comes I'll go to a 50/50 mix and I'll see a 10-20 deg increase in temps in cooler weather and much quicker warm-up times. I never run 50/50 in the summer.
Steve
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Old 07-20-2006, 07:59 PM
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A guy on PY forum writes:

I run DEI Radiator Relief and water in my TA during the summer months. Approx 20-30* cooler than antifreeze/water/water wetter.


Anyone heard of this?
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Old 07-20-2006, 08:03 PM
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Yes it doe's work, and helps against corrosion.
Best when mixed 50/50
I use Royal Purples "Purple Ice" with a 195* thermostat
and it stays at 195* in 90* weather.
The roundy round guys use it all the time because they can use only water for coolant.
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