I have a question about the coating next to the metal on my firebird. There is dark colored coating that isn't paint from factory. I want to know what it is. And what is the best way to remove it from door posts. I have used twisted wire and several other types of wire wheels it is the hardest stuff to remove I have ever tried to remove from metal.
The factory etch primer on my 69 is a dark greeny grey colour. Very tough and adhears very well. Weather it is original or not you probably don't need to completely remove it. Remember that these cars rust from the inside out. Any extra sanding or grinding you do to the surface just eats closer to that rust on the back side making the car rust out sooner. No primer or paint on the insides of panels from the factory. All inner surfaces probably have some rust working it's way to the surface. I would feather out any chips, rust spots and repair areas with 80-100 grit paper then finish the entire area with 180-240 grit before priming.
>Weather it is original or not you probably don't need to completely remove it<
Some of the better advice that I have read around here. In other words, if it isn't broke, don't fix it.
Lots of online advice is given by people whom have never done the process, and the ones who have done, have learned by reading posts by people who have never done it.
I'm not suggesting that youtube videos should be taken as gospel because they're lots of people making vids who don't have a clue.
On the other hand, there are lots of vid posters who have been cranking out flawless painjobs jobs for years. Often thier post history will show a signifgant history of cranking out nice paint jobs for years. The point is that lots of those guys, people who are doing, not talking about doing, the work say if it doesn't need to be stripped to bare metal, don't strip it to bbare metal.
