i just got a 95 camaro. its black. the guy i got it from bought doors frm the junk yard and the marker the junk yard used left/ messed up the paint to where after it was cleaned off you can still see the numbers they wrote on the door, i used the goo gone and brake parts cleaner and it still wont come off. do u think i could buff it out with a buffer or will i have to sand and repaint it?

 

Try clay... Arf!
I've removed paint scuff marks with it... the kind you get from other peoples doors...
However, if it's from a 'permanent' (sharpie) marker, you may need to use an abrasive polish.

Lil Dog in a big pound