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Radiator Anodes.
Has anyone installed a sacrificial anode into their aluminum radiator? If so where?
Regards. |
Mando, I read into (googled) this recently. Stray current, poorly earthed accessories, mixed coolant types - all contribute to corrosion of aluminium radiators. One particular forum post provided excellent information and is well worth a read.
http://www.qldstreetscene.com/forums...ium-radiators/ I'm aware this doesn't answer your question but thought I'd share the info anyway. It certainly helped me. Cheers Paul |
Nice find Paul, very informative:)
Cheers |
After finding one of the outlets on my aluminum overflow tank eroded, I talked to a few people, and installed another ground strap from the motor to the frame. Took care of the problem.
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Mando,
I have fitted an anode in the side of my alloy radiator. Not sure if it works, but I think it is a must with alloy engines. My last radiator only lasted thee months, even though there was no sign of a stray current.... Anodes are available from Summit. http://www.summitracing.com/parts/FLX-32060/ http://www.clubcobra.com/photopost/d...006_Small_.jpg Cheers, Ben |
On both of my Cobras I measured a potential difference of 50mv and a small current flow between the radiator and the chassis earth. One has a brass radiator and the other has a aluminium one. Once I earthed them, as expected, the potential between the radiator and the chassis earth was zero. I hope this will stop any electrolysis.
Although the Qld Street Scene forum did say that earthing the radiator did not help. I also used the OEM coolant for the motors I have. Warren |
Thanks Paul/Ben, for posting the article, there's a lot of stuff in there I had no idea about and I ordered the anode kit a few minutes ago.
Regards. |
Happy to help Mando.
In the pic above you can just see the anode sticking out on the left side of the radiator half way up. I can't remember what the thread size is but it was not hard to make up a threaded boss to weld in. Ben |
One company, forget which, sells an anode that replaced the petcock on the radiator. Do a search on amazon for sacrificial anode and it will come up.
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West Marine in the US or any marine supply store sell pencil or engine anodes that have pipe thread for the drain bung.
http://catalogs.westmarine.com/WebPr...&pagelabel=358 Cheap insurance |
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