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Author
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Topic: Ahh!! Scale!
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mvierow
Journeyman Posts: 51
From: Bay Area, Ca
Registered: Apr 2001
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posted 06-19-2001 05:29 PM
   
Yeah, you know the stuff when electrolysis occurs between iron and aluminum and a wierd rough mess begins to appear in your radiator and water neck that resembles oatmeal. Well I noticed my water was low on a trip back from LA so I put stright water in it my system. I planned on draining it once I got home, but unfortunately forgot about it, and now I have a mess. It doesn't look all that bad and there are no leaks anywhere, though if I stick my finger into the bottom outlet of my griffen I can feel a whole bunch of it. Is it possible to have this cleaned out, or is there some additive I can use that will get rid of it? Will a shop perform this service? The only thing aluminum in the system is the radiator and the intake manifold though when I am done with my rebuild there will be alum. water pump and heads added to the mix. What coolant should I run to help avoid this from happening in the future? Thanks for any help you guys can give me.mv
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mellowyellow
Gearhead Posts: 1568
From: So. Fl.
Registered: Aug 2000
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posted 06-19-2001 07:01 PM
I think that A call to Griffin would be a good thing to do. AC repair people use an acid solution to clean the condensers in home and commercial units. I hope that you find the right product.
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richard bohm
Gearhead Posts: 169
From:
Registered: May 2001
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posted 06-20-2001 04:58 AM
you can use the same coolant(prestone, and zerex are my favorites) you have always used, you just need to replace it evey two years. using water wetter would not hurt also.
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74merc
Gearhead Posts: 575
From: Demopolis AL
Registered: Jun 99
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posted 06-20-2001 02:14 PM
I think I'm in the same boat as mvierow, I know how to prevent it, but I need something to get it out now.
after reading a few interesting posts lately, I think I've found the cause of my overheating problem.
what can get rid of it and get the crud out of the block?
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66 coupe
Gearhead Posts: 205
From: Orlando, FL
Registered: Nov 99
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posted 06-20-2001 03:16 PM
I've been reading alot about the new orange Dex-cool organic acid coolants that come in GM cars. Seems that they are designed to prevent that type of corrosion in alloy radiator cars.The silicates in green antifreeze deplete and lose their anticorrosion properties much more quickly than this new stuff. Here's one article. There's more on the manufacturer's web sites.
http://popularmechanics.com/popmech/auto3/9903AUSMM.html ------------------
Jack Collins
'66 coupe
250 Crossflow / T-5
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