Preping EDP Panels

Kawickrice

Promoted Users
I am not sure if this is in the right section so if not Mods feel free to move it.

I just received a bunch of sheet metal panels for a 71 Chevelle.
Both quarter panels, door, fender, hood, trunk lid ect.
Do I have to strip the EDP off of the panels before epoxy? What about the inside areas before epoxy?
I have some other parts that i have had for a few month's that are in EDP and never got epoxy and it seems rust is forming underneath of the coating, my mistake for not getting it in epoxy fast enough.
With that being said I want to get my newest shipment into epoxy quicker.


On a side note I tried doing a search and it did not like "EDP", so here I am
 
I am not sure if this is in the right section so if not Mods feel free to move it.

I just received a bunch of sheet metal panels for a 71 Chevelle.
Both quarter panels, door, fender, hood, trunk lid ect.
Do I have to strip the EDP off of the panels before epoxy? What about the inside areas before epoxy?
I have some other parts that i have had for a few month's that are in EDP and never got epoxy and it seems rust is forming underneath of the coating, my mistake for not getting it in epoxy fast enough.
With that being said I want to get my newest shipment into epoxy quicker.


On a side note I tried doing a search and it did not like "EDP", so here I am
If you want to do a search with short keywords use google like this:
site:spiuserforum.com edp

 
E coat panels can sit a really long time without rusting, so it’s odd that you see rust under yours. I’ve got some panels in ecoat that have been sitting for 14 years that haven’t rusted. Some panels I received with my 69 Mustang have probably been sitting in ecoat much longer than that. It might be something else besides rust that you’re seeing. Regardless, if you see irregularities on the surface then it’s best to remove it.

I have never removed ecoat. I scuff it with red scotchbrite and then do epoxy over that. I remember a conversation with Barry a long time a go where he stated it’s not necessary to remove it and the ecoat is stuck to the metal better than anything we can spray on it. There’s a test described where if a solvent (I think it’s lacquer thinner) doesn’t remove it then it’s fine to go over.
 
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