69 dart roof skin removal

i used a map gas torch and it was fine. just dont stay in one place too long and use a tool to scrape the lead. go back and forth over the whole seam just until it melts. take you roof rail seals off. by the way if you are interested....i have a post on the whole job...roof replacement and all in hotrodders.com. you should check it out, those guys were really helpful. if you cant fint it pm me and i will send you the link