A picture is worth a thousand words. Buy the latest (April) issue of Street Rodder magazine. They have an article about chopping the top on a 36 2 dr. sedan. It's not much different than your car. It's being done by Marcel metal works. They're famous for making complete cars including Boyd Coddingtons Alumacoupe and Alumatub among others. There are plenty of pictures. It's a two part story so part 2 should be in the May issue.