Although rumors regarding Chrysler’s supercharged “Hellcat” engine have been trickling out for about a year now, the company has yet to officially confirm the engine exists, let alone issue any details. Earmarked for duty in the next-gen Dodge Challenger SRT, early speculation pegged the 6.2-liter supercharged Hemi V-8’s output to be in the 580–640-hp range, […]