My attention is now turning to the 4WD system, it feels like it's engaged more then it should and creating drag in the system. Just did a 200 mile trip, 80% highway, averaged 12.8mpg. Now tell me there isn't something wrong.
'07 WK Limited HEMI, Catch Can, 255/75R18.
'10 JK Sahara, RC bumper and winch, stiff spring mod, 2.5" spacer lift, Body Armor rails, KC daylighters, 32X12.5R16 Duratracs.