Magnesium anode to stop the rust

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  1. 440 Charger

    440 Charger FBBO Gold Member FBBO Gold Member

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    Thinking about using some old boat tec for freshwater. Bolting it to the frame and let the rain begin.
     
  2. Slap Stick

    Slap Stick Well-Known Member

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    Hmm...that should work. I don't see why it won't.
     
  3. 440 Charger

    440 Charger FBBO Gold Member FBBO Gold Member

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    To see outside of the box is awsome. I am going to do it let you know how well it works.
     
  4. funknut

    funknut Well-Known Member

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    I think you might have some success if you put the anode on or very near areas you want to protect, but no way a chunk of Mg up front would protect the rear from corrosion. The reason it works better on boats is they are all in the same electrolytic bath (seawater).

    Most of these types of rust protection schemes have been proven to be snake oil, you might have some small benefit but I wouldn’t count on much.
     
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    • 440 Charger

      440 Charger FBBO Gold Member FBBO Gold Member

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      Was thinking at least 6 points
       
    • 440 Charger

      440 Charger FBBO Gold Member FBBO Gold Member

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      Cant see the hurt at all
       
    • hoover

      hoover FBBO Gold Member FBBO Gold Member

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      I always thought those were zinc.
       
    • Slap Stick

      Slap Stick Well-Known Member

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      Zinc is correct.
      And they are used on fresh water boats, also.
       
    • Dajkzo

      Dajkzo FBBO Gold Member FBBO Gold Member

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      I'm a long time boat owner. Funknut is correct. It's a sacrificial anode, but only works in water hence the term galvanic protection. Really good/clean ground on the body will help.
       
    • Daves69

      Daves69 Well-Known Member

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    • dadsbee

      dadsbee FBBO Gold Member FBBO Gold Member

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      Just don't back too far down the boat ramp and you should be good!
       
    • YY1

      YY1 Well-Known Member

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      Would it work in the rain?

      How would you know it's working- by material missing from the anode? Weight maybe?
       
    • 440 Charger

      440 Charger FBBO Gold Member FBBO Gold Member

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      Yes you will see the anode corroding.
       
    • 440 Charger

      440 Charger FBBO Gold Member FBBO Gold Member

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    • 440 Charger

      440 Charger FBBO Gold Member FBBO Gold Member

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      Read the link zinc are best for salt water magnesium is best for fresh I will be calling a manufacturer to see what would help best if any. The reason I thought of this is if you check into home water heaters the difference from a 6 year warranty to a 12 is nothing but they put a pencil anode in one of the tank plugs. Lets hope it works.
       
    • 440 Charger

      440 Charger FBBO Gold Member FBBO Gold Member

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      Lol true that.
       
    • 440 Charger

      440 Charger FBBO Gold Member FBBO Gold Member

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      I am hoping so Dave69 posted a link above check it out
       
    • BB BELLA

      BB BELLA Well-Known Member

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      the boats need it because of the disimilar metals, stainless and aluminium. I don't think the anode will do much for a car unless it has an aluminium body!
       
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      • Cranky

        Cranky Banned Staff Member FBBO Gold Member

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        How bout aluminum radiators.....?
         
      • dadsbee

        dadsbee FBBO Gold Member FBBO Gold Member

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        Yep, different metals and voltage leakage that creates the plating process. The Zinc is the sacrificial. Why I said as long as he doesn't back too far down the ramp he should be good... without it!
        Unless you put it in the radiator filler neck an anode on the frame ain't gonna do squat.
         
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