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 ...

With more than 160,000 miles on the 4.0L I-6 in our 1997 Jeep Cherokee, engine performance and reliability are not as great as they once were. The engine suffered from various gasket and seal leaks, ...

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 ...