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Originally Posted by DRJDVM's '69
So what happened with the other car?...you got it media blasted and then did epoxy and it rusted through in a year? Did you epoxy it right after it was blasted or wait awhile? Did you epoxy over visible surface rust?
The big concern with any chemical treatment on the metal is that it adds one additional step that may leave residue that may not react well with your paint of choice.....
if its surface rust, hit it with 80 grit on a DA, clean the metal off and spray epoxy....
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the other car was metal brush grinded,sandblasted then primed 1h later.
Thats why im not sure what was wrong