Chrysler Group's new 4.7-liter V-8 is engineered to deliver significantly enhanced customer experience and value, increasing fuel economy while simultaneously improving performance by 60 horses to 290 ...
the 3.9-liter V-6. I recently started hearing a loud rattle coming from the front of the truck. It only makes the noise when the engine is hot, and only when I race it to about 2000 rpm. Any ideas ...