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  #1  
Old November 24th, 2005, 06:51 PM
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Engine Coolant what kinda

Maybe not so technical but what is the "best" coolant? I know the ethylene glycol deal. What are yall using I dont care if its toxic to pets and all. I want to maximize cooling potential, anyone using Redlines Water Wetter? I know its not anitfreeze but seems to work well. Is there any preferred coolant for aluminum blocks? thanks
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Old November 25th, 2005, 12:53 AM
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The key is to flush the system in a timely fashion.

When I replace the hoses, usually in concert with belts, I take the radiator out and completely flush it out. The aluminum block and the the steel radiator tend to accelerate oxidation if you do not change the collant on a regular interval.

Use a collant (I use Prestone) and Water Wetter. It will definitely help your Rover cooling capability.

Cheers.
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Old November 25th, 2005, 09:15 AM
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There is already a thread on this.

I've used Zerex for years, first started when I had an aluminum block Corvette as it was tested best for aluminum back then. I'm sure Prestone is just fine as long as you change it regularly. The green stuff.

As for Water Wetter, don't expect it to lower your coolant temp. Go here for info:

http://e30m3performance.com/myths/mo...ter_wetter.htm

I tried it this past summer and noticed no difference in temp.
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Old November 25th, 2005, 05:59 PM
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how much of the water wetter do you add to your cooling system?
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Old November 25th, 2005, 06:43 PM
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I used one bottle - cost about $7-8. The mix was just about right for the capacity.
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Old November 25th, 2005, 08:40 PM
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what were your coolant to water proportions
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Old November 25th, 2005, 08:59 PM
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My notes say one bottle (12 oz) per 12-16 quarts water/mix.
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Old November 25th, 2005, 09:01 PM
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thanks
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Old November 26th, 2005, 12:18 AM
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I use the same proportions of Water Wetter to coolant that Art mentions.
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Old May 17th, 2009, 02:22 PM
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How are you guys "flushing the block". Ive drained the block most of the heater core., taken the radiator out. Suprising at how much shit was in the bottom of it, lots of bugs, mud, small animals. Something you should all consider thinking about, ive always been good about spraying it out after the mud slings.. I wonder how much the AC condenser impedes air flow to the radiator?? Fill the engine with distilled water run it a little drain again wash rinse repeat? I was thinking about hooking the water hose up to it for a few hours... Going to try some of the smurf coolant..
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Old May 17th, 2009, 02:26 PM
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I use the prestone flush and then stick a hose in the top fill.
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Old May 17th, 2009, 05:14 PM
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I dont use any coolant just water and 1 bottle of Water Wetter. I have been doing it this way for several years now with no problems. I do have to say though when or if I think I will be somewhere where I think the temps will drop below freezing I will add a bit of coolant. For keeping the engine cool I stick with Water Wetter and water only and have found the temp is cooler than if I use a coolant blend.
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  #13  
Old May 17th, 2009, 11:02 PM
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I use a flushing tee. Napa sells them for a few dollars. You can either cut your heater hose and permanently install it, or do as I do and get a small piece of hose so that you can install the tee at the end of the orig. hose and then remove it again.

You just open the radiator cap, drain the radiator, install the tee, connect the garden hose to the tee and start the engine with the heat on. Let it run until the water coming out of the top of the radiator is clear. Turn off the engine and hose, drain the radiator again, drain the block, pour in 50% capacity of anti-freeze of your choice and top it off with water. Bleed the system and add coolant as needed and you're all set.
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