If this sight makes your stomach turn, this LS V-8 swap may not be for you. This was our Wrangler's recent gas mileage while romping around the lakebed in Johnson Valley, California. JK Wrangler LS ...

If you've ever been disappointed by the horsepower figures coming from your Jeep Wrangler JK, whether it has the 3.8-liter or the 3.6-liter V-6, and you've considered an LS swap, you're not alone.