26 Apr Hennessey Builds a Hellcat Jeep Trackhawk With Nearly 1000 Horsepower
Road and Track: Hennessey Builds a Hellcat Jeep Trackhawk With Nearly 1000 Horsepower
It was just last week we were telling you about Hennessey’s new 1000-horsepower Challenger Demon. Now, the Texas tuner company is back with another high-horsepower FCA product: A Jeep Grand Cherokee Trackhawk.
We already reported on the 850-horsepower version of Hennessey’s Trackhawk, but this hotter trim is a different beast. It uses a new 4.5-liter supercharger, long-tube headers, high-flow injectors, an upgraded fuel pump, and a high-flow air induction system. Using a Dynojet, the team was able to push 823 horsepower and 718 lb.-ft. of torque to the tires. Factoring in Hennessey’s 20-percent drivetrain loss calculation, that’s 988 horsepower and 861 lb.-ft. at the crank. Continue reading Road and Track’s article on their website.