Is the demon a Hemi?
Photo Credit: Courtesy of 3DStockPhoto (a image)
That engine, specifically, is the supercharged 6.2-liter V-8 that belongs in the monstrous Dodge SRT Demon. The guy you see building this engine is Davin Reckow, and he's normally used to dealing with classic muscle car engines but was interested to see how a modern Hemi managed to crank out 840 horsepower.