Check out the sheet metal real good . Rear quarter Panels, around wheel lip & behind rear wheel , front fender corners lower corner were fender meets the door or packer panel , look underneith at the quarterpanels same areas, , remember body work is one of if not the MOST EXPENSIVE thing to have done to a Vintage car ,
Unless your willing to do it yourself it is nothing to sink 10 - 15,000 + into panel replacement & paint by a professional body man ( If you can find one who will do it Most what Insurance work ) Another thing is check out the frame rails as best you can .Check out the truck area PULL up the mat & look , Take a magnet with you & see how well it sticks this will determine the amount of body filler / Bondo is pressent is any , take a screw driver , ect & poke around underneither to see if there is any rott in frame or floorboards, ect . also look behind rare bumper theres a panel there check it for rust, Alsot of the small trim parts are out there Ebay , swap meets , No big deal they made a SH!T Load of Chargers in 66-67 & some Coronet parts innerchange . Being your in Arizona you probley wont have the RUST issues as We here in the mid WEST have The price is fair I can decode the VIN & engine code #'s if you need to see if it is all Orig . on the 318 in 66 the valve cover bolts should run through the center of the valve covers called Poly 318 small block last year for it was 66 in 67 Chrysler released the LA small block witch ran until 1998/99 or so. The Tail lights are probley the most expensive trim piece to get replaced on this era Chergers .