Google is your friend -- there was at one time a website devoted to 1969 and up Darts including 340 Swingers. 340 Dart registry? If you are looking to purchase a very highly restored 1970 Dart Swinger 340 - try the member Sanity Lost on the Moparts website. He has a 1970 FE5 exterior, black vinyl roof, 727 well done car for sale.
