Bringing Up the Rear: How the Demon Driveline Took Shape — blog.dodge.com

The 840-horsepower 2018 Dodge Challenger SRT® Demon has the highest horsepower of any production car*. In fact, as magazine and online headlines the world over proclaim every day, Demon is even more potent than the previous muscle car champ, the 707-horsepower Dodge Challenger SRT Hellcat.   And as any hot rodder will tell you, there’s more to a successful ride than just the engine. It takes a well-matched package of related mechanical components to ensure the power gets to the tarmac over and over again. To see what was involved in bolstering the Hellcat’s driveline to keep pace with the Demon’s added 133 horsepower, we chatted with Dodge performance engineer Jim Wilder.  

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