The last time around, we added a larger, slightly heavier wheel and tire combo and lost a little more than 1 mpg. Granted, with the 6.7L's whacked-out emissions system that dumps raw fuel into the ...
If you own a late-model 4x4, chances are you have unit bearings in your frontend. If you do a quick Google search, you'll find that these pieces of engineering marvel are cursed by many, and have ...