The powertrain control module (PCM) in your Jeep Wrangler – often referred to as your engine’s “computer” – acts as the brain of your vehicle’s engine. More specifically, the PCM in your Jeep is ...

Last month we showed you some of our thoughts on rear axle upgrades for our '97 TJ project. Like the majority of our readers, this Jeep serves much of its time pulling commuting duties, with only the ...

Some of the most important geometric elements of a four-wheel-drive vehicle are approach and departure angles, as well as ramp breakover angle-the angle that's measured by drawing a straight line from ...