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Old 03-16-2015, 02:07 PM
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aluminum radiator

Any one got a good link to electrolysis solutions?
Getting ready to install an AL rad.
thanks

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Old 03-16-2015, 03:36 PM
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Radiator

Amazon has a product called Kool-it that is suppose to be good. Runs about $10 a bottle. A more popular one is Water Wetter, you can get it in most auto stores. Hope this helps.
Race Horse
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Old 03-16-2015, 04:59 PM
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Quote:
Originally Posted by Race Horse View Post
Amazon has a product called Kool-it that is suppose to be good. Runs about $10 a bottle. A more popular one is Water Wetter, you can get it in most auto stores. Hope this helps.
Race Horse
I meant isolation on mountings.
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Old 03-16-2015, 05:04 PM
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the radiator just has to be grounded well
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Old 03-17-2015, 04:33 AM
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Grounding the radiator will help with outside electrolysis but you have to worry about inside as well. That requires changing out the coolant every 2 years. I also suggest using the old style green/yellow antifreeze.
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Old 03-17-2015, 12:01 PM
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I've known about these since I was a kid, but have never used one.....
Amazon Amazon
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Old 03-17-2015, 12:12 PM
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I've known about these since I was a kid, but have never used one.....
http://www.amazon.com/Flex-lite-3206.../dp/B001GR09S4
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I had a van one time that ate up the rear plate on the water pump because my anti freeze was old. And the new rad has two locations for a drain.
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Old 03-17-2015, 12:22 PM
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Just found a super secret method =
I used to work on helicopters that had a magnesium skin and structure that we patched with aluminum panels. These materials will also rot on another over time. We used to use a super top secret method to prevent this:

Clear packing tape! It seems to work to!
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Old 03-18-2015, 10:59 AM
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*****in! (can i say that?) i found an online radiator place with new all 'lumie radiators for only $200. made for my truck. so this is great news. but i have a different question, and that is: what to put on the outside of the thing to prevent the kind of oxidation you see on polished wheels. clear tape? haha

just paint it? (not the fins). and if so, can i paint it with clear? just wondering, since we are talking about aluminum radiators here. does AL require any special primer?

btw that site was (is) radiator express. unreal, since my local radiator shop quoted me about $400 to fix my stock radiator!
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Old 03-18-2015, 11:20 AM
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Quote:
Originally Posted by techinspector1 View Post
I've known about these since I was a kid, but have never used one.....
Amazon.com: Flex-a-lite 32060 Zinc Anode Drain Plug Kit: Automotive
Probably the same thing but without the name stamped on it (doubling the price) but these folks make them Pencil Engine Zincs from Rotometals-Use pencil zincs to protect engines, heat exchangers, pipes, condensers, water cooling jackets, etc.

I have one in the radiator as well as the engine - both of which needed to be trimmed to length.

Dave W
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Old 03-18-2015, 12:01 PM
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I saw your response and couldn't help myself!

Quote:
Originally Posted by techinspector1 View Post
I've known about these since I was a kid, but have never used one.....
http://www.amazon.com/Flex-lite-3206.../dp/B001GR09S4
That's what I said about profalactics too. I was 20 by then though! Then my son came along!
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Old 03-18-2015, 12:20 PM
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You learn this stuff from boating in the ocean!!!

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Originally Posted by tapkoote View Post
Any one got a good link to electrolysis solutions?
Getting ready to install an AL rad.
thanks
Really FAST!
They make an annode that is sacraficial. Goes in the radiator. Magnesium I believe. Fit under the cap and hangs into the liquid. It does need to be grounded I think. The one's I have used were a copper ring washer that sat in the radiator soldered to a stranded copper bare wire attached inside of the magnesium rod about 1/2" dia and about 1" long. You chack them ever so long. A month I think. I moved away from the salt water boating back into the Ozarks where we do not have the same problems. I would use the water treatment mentioned here in addition to the annode. You have got my attention on this subject too! I would do it differently. By machining a sacrifical anode placed inside a radiator hose. Grounded via a copper wire attached or touching the engine at some point. We use to do this with the copper radiators to cut down on the corrosion on all of the aluminum manifolds, water pumps etc. in the 70's and I TOO will have this SAME delima soon as I have several Aluminum radiators for some of my cars. Also years ago several of my 60's Corvettes had the Harrison Aluminum radiators. They too developed leaks from corrosion. Not really fast but thru time they did. Hard to get fixed properly. Corrosion at the mounting points was accomplished via a copper strap around the mtg points in the Corvettes. BUT!!! Copper and Aluminum together and getting it wet? YEAH, I can see why the question!!! Good question.
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Old 03-18-2015, 12:48 PM
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I would get two of the sacrificial anodes that Tech showed a link to,install one in place of the petcock and since you have the intake with 4 water passages place one there too.Aluminum radiators,water pumps and intake manifolds can get eaten alive without them which is why so many used intakes have corroded water passages.Also take the suggestion to ground the radiator all of those tips will pay off in the long run and won't hurt your wallet.
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Old 03-18-2015, 08:33 PM
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Learned something new. Good read.


Thanks
DDF693
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Old 03-19-2015, 09:41 AM
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Sacrificial anodes of zinc have been used ever since the first metal ships were built. They work, and are a simple solution to the corrosion problem.
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