Last month, you got the skinny on stroking the 4.0L Jeep inline Six. Now you'll get to see it in action and learn about all the goodies we bolted onto the outside. You'll see and hear varying numbers ...

Upon adding 33-inch-tall tires, a flexy long-arm suspension system, and enough camping essentials to forget home while on the trail, our donor's '05 Jeep Rubicon Unlimited felt a bit on the sluggish ...

When most people think of Jeeps, they picture rugged vehicles built to go just anywhere. Of course, none of that would be possible without a reliable engine under the hood. When it comes to mechanical ...

Jeep’s 4.0-liter straight-six engine is iconic. Much like the Ford 300, it’s a down-and-dirty truck engine that stayed in production for decades. Also like the Ford 300, it can make a ton of power ...