If you find a 4.0 V-6 under your hood, it's a good day.Oil changes are simple; the oil filter and oil filler are accessible at arm's length.The 4.0 V-6 features four cams, four valves per cylinder, and variable valve timing. The power plant produces 236 hp and 266 lb-ft. of torque. While that's impressive on paper, it's much better when experienced via the right foot and the seat of the pants: this engine's got guts! We're running 33-inch tires and using stock axle gears; a combination that usually results in lazy acceleration. Not this time. The 'Runner is eager to run.