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| No rust on the A-arms....; Thinking about spraying them-What should I use? | |
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| Tweet Topic Started: Nov 13 2010, 11:52 AM (840 Views) | |
| bentjazz | Nov 13 2010, 11:52 AM Post #1 |
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Hi everyone, I looked at the horn, A-arms and there isn't any rust. I'm thinking about spraying them with an anti-rust agent. What should I use? Rustoleum? Hammerite? Thanks. |
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| mjspiess | Nov 13 2010, 03:23 PM Post #2 |
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I used Rustoleum Rubber Undercoat from Autozone. Its held up well. Put a few coats on & call it a day. |
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| gamefoo21 | Nov 13 2010, 06:08 PM Post #3 |
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2 Swifts n a Turbo Sprint
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It's not the rust you can see, it's rust you can't see that should worry you. Inside those stub arms it's all barenaked steel and it's layered, it's rusts heaven, and it tends to burn it's way outwards. |
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| bentjazz | Nov 14 2010, 07:31 AM Post #4 |
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Thanks mj and game. |
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| Ryan | Nov 14 2010, 10:31 AM Post #5 |
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Ryan
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I've heard most of the members advise against any rubber coating on the underbody. |
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| mcmancuso | Nov 16 2010, 10:44 AM Post #6 |
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fill up the arms with ospho or another rust/metal converter, this will seal the material against future rust by water trapped in the arms. |
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| superduty5.9 | Nov 16 2010, 12:15 PM Post #7 |
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Metro Defender
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I have filled my frame horns with used motor oil. |
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| jeaarthur | Nov 16 2010, 04:02 PM Post #8 |
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Elite Member
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I took a bottle of STP and every where I could find a hole in the towers I put in a ample amount. Now I did notice for several days after doing this, I was leaving oil drops where it was finding ways out. I am hoping it will slow down the rusting process. I bought my metro out of Texas and it had no visible rust. I live in Iowa and needless to say we use lots of salt here. |
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| Coche Blanco | Nov 16 2010, 04:04 PM Post #9 |
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Troll Certified
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I'm having a brain fart. Would a full body underpan stop the salt from contacting the horns? Or...yeah someone just tell me. |
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| mcmancuso | Nov 16 2010, 04:06 PM Post #10 |
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The only problem with filling with oil, is that if the arms are sealed, water ends up trapped at the bottom, under a layer of oil, rusting away like water in a gas tank. Filling with oil is only OK if you are CERTAIN water can get out, otherwise it won't even evaporate because the oil seals it in completely. It will rust out the bottoms of the arms. You need to change the metal so it can't rust, ospho, or permatex products do that. CB, if you can seal off the wheel wells so water can't splash up then yes. Typically the belly pans are open where the control arms are because of the travel they must make. A rubber skirt or something that had holes in it for the tie rods, control arms, struts, and axles would do the trick, but you probably should seal the sides of the hood as well to keep water from running down the sides into the arms. Edited by mcmancuso, Nov 16 2010, 04:10 PM.
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| Rooy | Nov 16 2010, 04:07 PM Post #11 |
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I don't think it would. You can't seal off the space inboard of the wheel. |
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| jeaarthur | Nov 16 2010, 04:09 PM Post #12 |
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Elite Member
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I guess it would if you could stop all the water vapor that gets kicked up from entering the engine compartment. I have noticed since last week, the DOT here is already got the BRINE trucks out putting material down on the bridge decks even for the frost we are having. And I thought the state was short of money LOL. |
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| superduty5.9 | Nov 16 2010, 04:19 PM Post #13 |
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Metro Defender
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How much does ospho cost? So ospho is lighter than water or will mix with water? What about using oil with a drain hole? You could drain it every so often. |
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| Coche Blanco | Nov 16 2010, 04:28 PM Post #14 |
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Troll Certified
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I was just brainstorming. You know I live in Alabama. haha |
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| mcmancuso | Nov 17 2010, 12:41 PM Post #15 |
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ospho is phosphoric acid based, it changes the form of the steel to a non rusting layer that keeps water off, it is water based. A drain hole would be a good idea, plug it, and periodically drain any water that may have accumulated, this would also allow you to rinse the arms, to get all the salt water out from winter salting. |
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