i would listen to your co worker...he sounds wise....the amount of torque you will gain to the amount of $ you will spend will not make it a wise swap unless your planning on running huge arse tires....for the average to mild orroader that 4.0 will do anything youll ever want....heck even the 4cyl offroad is an awsome engine... <img src="/forums/images/graemlins/cheers.gif" alt="" />