When not to use Epoxy

JimKueneman

JimKueneman

Mopar Nut
A dumb question. My '68 Coronet is a Pennsylvania car that was put in dry Arizona storage in '85. The body is not that bad but it did have few small areas where I cut out a bit rust and welded in small patch panels (none larger than 1"x 3" or so). I know the seams where the body panels overlap have surface rust in them but it is still very solid and there is no reason to chop up the body to fix this yet. I have it stripped down (I did not sandblast or dip it, I stripped it by hand with aircraft stripper) and gutted so I can get to most inner panels but not like if one was replacing the entire quarter panel. I can't really clean the rust deep in the seams. I was thinking about just loading up the gun and spraying into areas I can get to and let the primer run down into the lower body seams. I have power washed the seams and body as much as I could (through the openings where I patched it as well when they were open). This seems like it is not a great idea since if the paint does not stick well it may be worse than leaving it as water can get trapped between the epoxy and metal if it does start to separate. Undercoating has the same problem in my mind. I am thinking of spraying Cosmoline in these areas as it will not have the problem of "separating from the metal" and have a water trap area. This should stay waxy and gooey forever and keep the metal from the elements.

Comments?
Jim
 
I spray epoxy into areas you are talking about, and have had better luck with that than anything else.

Keep in mind your car wont be seeing the same type of service as it was when it was new, it wont see the same harsh environment, so what you are planning to do with the epoxy will serve you just fine.
 
I use cavity wax. 3M Rust Fighter I and the wand applicator.

Don
 
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