TK's Garage is reporting that Stellantis may be producing a new 4.5 or 4.7 liter double overhead cam HEMI engine that will have more horsepower than a Hellcat. An interesting fact is that Chrysler previously developed a double overhead cam 426, for NASCAR, that was never used. Watch the following video. Start at the 18-minute mark.
Charger seen testing possible 5.2 DOHC HEMI. Charger Seen Testing In Detroit With HEMI 5.2L 318? Or Is It A 1000hp RacePak
From discussions with Tim Kiniskis, RACER X is speculating that Dodge is developing a turbo for the new HEMI engine.
