One of the first modifications we make to our trucks is the addition of a cold-air intake—but what kind of power do we really stand to gain from this $300 investment? Because 10 to 30hp increases are ...
The Jeep Liberty uses the 3.7L V-6 engine, which has become somewhat notorious among its owners for being a fuel hog. The 10- to 11-mpg range is realistic for most, and once the camping gear is loaded ...