70 340 4-speed dart - talk me off the ledge

You know what the right answer is or you wouldn't have asked us to talk you off the ledge. You know it's just not worth the time, effort and money... AND it never will be.
The same debate goes on about Ferraris and almost every other kind of car.
I hate to see a cool car like this disappear but the math tells the story.
If you really want a car like this sell this one and start looking for a better candidate.