Anyone used a V6 Magnum in an A-body?

Do it I got 23 mpg with my 2 dakotas . I even thought of this do the math ... (dont have it right off my head ) the dart aint much heavyer then the dakota of tho other way around . I say do it and make a thread to wire that sucker up lol . I know some one other then you that would do this . both 3.9s i had when sold still running had 240,000 and then some . So would i do it you bet . just dont have the funds .