On an entirely other level though you can convert the rust with a formula like corroseal.
Rust reformer on truck frame.
Once dried this rust converter can be sanded and painted over.
The next day the frame was a nice black finish.
Alternatively you can find a middle ground with a surface prepper by ospho.
I found the undercoating on ebay for 3.
Once done you can paint over rust.
When i re did the mii front suspension on my 53 f 100 i used r o.
For spots that are very badly rusted or too delicate or detailed to clean thoroughly use a product like rust oleum rust reformer which soaks into the rust and changes it into a non rusting paintable surface photo 3.
You can start with the standard rust removal process using por 15.
You can apply any paint on top of this surface and it should not rust a second time.
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So far this has worked just as they say it should.
R o primer and 2 3 coats color.
How to prevent rusty tools.
Over the next couple of months i plan on finishing up the rest of the truck frame and then coating it in a couple layers of paint.
I say this based on dozens if not hundreds of applications in a commercial restoration shop.
I had to leave the truck outdoors but covered one winter.
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There are a number of ways to deal with a rusty truck frame.
I have applied a couple of thin coats of the rust converter within a 20 minute time frame.
Take your time and get something better that rust oleum.
Rust oleum s rust reformer is just about the best rust converter out there in my opinion.
This makes it ideal for autobody use especially when repairing problem spots like wheel wells and truck beds.
Rust converter for truck frame after this product has been applied to a rusted surface it leaves behind a primed surface that is suitable for painting.
The company s rust preventative coating permanently seals rust and better yet once it s applied its chemical makeup allows it to be further strengthened not weakened by the presence of moisture.