Getting a disaster ready for paint

[JHT67]

My buddy had this Camaro brought to him to paint. He told me all about it before I came over to check it out. Seeing it in person is worse than hearing about it. From what I understand someone had previously tried to paint it, but did not have something mixed right so I guess it never completely dried or didn't dry right. When I went over to see it, it looked like it had been sitting under a tree for 20 years or something, my buddy said that was where it didn't dry and everything had settled on it. I guess it was supposed to be a candy orange with black stripes, and they literally power washed the orange off. So now it's left with old dried up tape, dust buried in the paint, and orange paint chips stuck all over it. We spent a few hours tonight sanding. I am very interested myself in seeing how this turns out.