The 6.2 HEMI in the 2015 Dodge Challenger SRT Hellcat produced 707 horsepower and 650 lb-ft of torque. Its secret was the addition of a supercharger. Superchargers work by forcing air into the ...
Photo: mecum.com After the retirement of the R/T line and the termination of the Hemi, both beginning with the 1972 season, the Challenger relied on the Rallye to rally hot-headed, lead-footed ...