If you’ve been an avid Jp reader for some time, you are likely familiar with our 3K, 3Day build series. The premise is simple. Take a more-or-less stock Jeep, a three-day weekend, and modify it as ...

When is stock not enough? For our ’99 Jeep Grand Cherokee, it came at 137,000-plus miles when power began waning, even while using synthetic oil for regular oil changes and an open-element air filter ...