“Come to Indy and drive this purpose-built, street-legal drag-racing car,” they said. The lawn isn’t getting mowed. Floors aren’t being mopped. Dishes remain piled up. We are zeroed in on tackling the most powerful production car America has ever produced. We’re talking about the 2018 Dodge Challenger SRT Demon. Most of its steamy details were divulged over a 12-week roll-out leading …