How Dodge's secret Hellcat engine surpassed the 2013 Shelby GT500

The short version

• Dodge developed its supercharged Hellcat engine to surpass the 662-horsepower rating of the 2013 Ford Shelby GT500.[Jalopnik]
• Engineers redesigned over 90% of a 6.4-liter V8, de-stroking it to a 6.2-liter displacement with a massive supercharger.[Jalopnik]
• The 707-horsepower 2015 Challenger SRT Hellcat inaugurated an era of high-horsepower Dodge muscle cars.[Jalopnik]
• Dodge's Hellcat engine later expanded into Charger, Durango, and Ram truck models.[Jalopnik]

Key facts

• The 2013 Shelby GT500 produced 662 horsepower and 631 lb-ft of torque from a supercharged 5.8-liter V8.[Jalopnik]
• The 2015 Dodge Challenger SRT Hellcat debuted with a 707-horsepower, 6.2-liter supercharged V8 engine.[Jalopnik]
• More than 90 percent of the Hellcat 6.2-liter V8 engine's components by value were brand new compared to the 6.4-liter V8 base.[Jalopnik]
• The supercharger unit on the 6.2-liter Hellcat engine draws roughly 80 horsepower during operation.[Jalopnik]

Sources

Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.

• Compared To Its Competitors, The 2013 Shelby GT500 Was HP King. Then Came The HellcatJalopnik