What I meant with Chrysler is; given Iaccoca and De Tomaso had 'partnered' for the open top Chrysler - Maserati, most probably De Tomaso wanted Iacocca to purchase more of his ideas. This coupe was surely front engined, so not meant to be Pantera replacement, but probably new Indy or Kamshin (?) I do not know about the other two proposals you mentioned.