Twin turbo adds gas mileage and acceleration to Grand Wagoneer
The 6.4 Hemi, or “392” (by cubic inches), is a reasonably efficient and powerful engine; it has a well-engineered cylinder deactivation system, cam phasing, and a 485 horsepower rating in the Grand Wagoneer. Why would a mere inline six-cylinder engine be better? Jeep just released the gas mileage of the twin-turbo Wagoneer, and now we … Read more