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I installed one on mine that I got off of a wreck but wonder if they really work. Has anybody got any tangible experience as to their effectiveness? Also, is one supposed to scrape the paint off of the area onto which the little boxes are installed?
No they don't. not on your car anyway. Skipping alot of the techno mumbo jumbo on how an electrochemical corrosion cell works. the basic idea behind one of these is to make the metal you're trying to protect cathodic because your corosion is going to occur at an anodic surface of the metal. they work in oil rigs by making the oil rig cathodic to the sea water. or a pipeline cathodic with the ground. what are you going to make your car cathodic too? the street? tire's get in the way there so it's not really gonna work. The most it could really do is keep the area where this device is attatched from corroding but then making all pieces attatched to it and out from there, more succeptable to corrosion, and at higher rates then usual.
Simply keeping your car clean and maintaining chips in the paint is one of the best things you can do to keep the corrosion away
But don't take my word for it. http://www.corrosion-doctors.org/Car...protection.htm
check out the rest there web site also.
Last edited by stangboy_82; Dec 26, 2004 at 01:45 PM.