TRENTON, MI – Horsepower wars once were the domain of V-8 engines, but Chrysler Group LLC enters the mix today by announcing its new 3.6L Pentastar mill will make 306 hp in the ’11 Dodge Challenger. The 55-hp hike comes on the heels of boasts made earlier this year that new V-6s in the Chevrolet Camaro and Ford Mustang, both Challenger competitors, would generate 312 hp and 305 hp, respectively. Chrysler also announces other beneficiaries of Pentastar-powered upgrades will include the ...

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