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− | ==Removing rust from body panels==
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− | ===What's the "best" way to handle body rust?===
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− | The "best" way to complete a task often implies the presence of the "best" conditions.
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− | Not just the "best" tools, "best" skills, and "best" amount of time. Also, the "best" payback on your investment of resources.
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− | So, the overall "best" way to handle rust may not be the "best" way for you or your particular situation.
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− | Here are some of the more significant factors that will affect your choice of how to handle rust on body panels:
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− | *How bad is the rust?
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− | *What tools do you have? Do you have access to a sandblaster and welder?
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− | *How much money can you spend?
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− | *How valuable is the vehicle? How rare? Resell value? Worth investing time into?
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− | *What type of climate do you live in? Dry or humid? Summery or wintery? Salt in the air (near the ocean) or on the roads (snowy winter)?
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− | *What's your plan for the car? Daily driver? Show vehicle? Fixing it up to sell?
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− | That being said, the general consensus on the overall "best" way to handle body panel rust is this:
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− | *'''Remove minor surface rust with phosphoric-acid based products. When down to bare metal, sand, clean and dry the panel, and spray it with a high-quality 2-part epoxy primer/sealer.'''
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− | *'''If it's anything more than minor surface rust on a body panel, cut it out and replace it. In most cases, this will involve carefully butt-welding in a patch panel.'''
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− | *'''If you're dealing with a complete vehicle body with rust, have it commercially dipped.'''
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| ===What to apply to sandblasted steel prior to priming, to kill unseen rust=== | | ===What to apply to sandblasted steel prior to priming, to kill unseen rust=== |
| Phosphoric acid, ZeroRust,. | | Phosphoric acid, ZeroRust,. |
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− | Does epoxy primer adhere well to bare steel? Yes. Can body filler and high-build primers be used on top of epoxy primer? Yes.
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| #Take scuff pad, wet it with phosphoric acid or product containing mainly phosphoric acid. | | #Take scuff pad, wet it with phosphoric acid or product containing mainly phosphoric acid. |