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Old 05-09-2009, 07:57 AM
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Surface rust inside Engine Hood support

I can't seem to get this spot treated right. I have sprayed, soaked and tried to paint on rust converter and can't seem to get this spot fixed. It is inside the support arm of my engine lid for my VW Karmann Ghia. Here are the pictures to help you visualize it. Sorry the Pic's are too big. I will make them smaller from now on.





Please help I am ready to jam this area in.

Thanks,

SAM
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Old 05-09-2009, 09:27 AM
boatbob2
 
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Rust....

HI,if i were doing this rust removal,i would clean all the paint off this area as well as i could,then at the bottom seam,i would drill 3 small holes,right,left and center,only thru inside metal,then i would use muratic acid and paint it on with a brush.the acid will eat the rust,without destroying the metal,keep this area wet with the acid. after the rust is gone,using a hose,clean the acid out good. then mix up some baking soda and water and clean this area. the B-S will neutralize any remaining acid. wash well with water again,the 3 holes are for the water to drain,then put hood in the sun till dry,or use a ladys hair dryer,you will then have some flash rust,sand paper it off,then paint 2 or 3 coats of a 2K epoxy primer. this should cure this problem.
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Old 05-09-2009, 01:04 PM
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I did have the car completely clean and totally sandblasted of all paint. I also replaced a large section of the metal on the edge of the lid. It was treated with epoxy and then with the converter, just in case, then also sprayed again with Eastwoods encapsulator. These were all done to the inside of the area. Do you think the muriatic acid will get the rest of it?
Also, would the Eastwood's Anti-rust coated in there would help? Just trying to figure something out because the epoxy apparently didn't do the trick or more likely I missed something.

Thoughts?

SAM
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Old 05-09-2009, 01:32 PM
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The use of a strong acid inside a panel where it may escape neutralization is a scary idea. Though the abrasive grains will be difficult to blow out completely, I would much prefer a bit of spot blasting to acid any day.
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