Did 74' roadrunners come with 318's? My best estimate would be 1500 to 2k. It doesn't have an engine and sounds like you got repairs that need to be done in the trunk probably as well. The only thing your really paying for is the name at that point. But I could be wrong, you do get some guys out there who are trying to sell bare bones dodge darts with slant 6's for premium because of barret jackson.