[68 C-10 Panel]

Ok I might be able to help here... First i know you guys love pics so here is my 4x4...we call her "swampwater" anyway about the hubs locked or not the key thing for you would be the open diff in the front. If the hubs are locked and the transfer case is in 2w the front driveshaft is disconnected from the driveline. In this case as you go around a corner and the wheels travel different distances around said corner the driveshaft will rotate as the spider gears move. There should be no bind or load such as when there is a limited slip diff or worse yet a locker. if you put it in 4hi then the driveshaft will be forced to rotate and the pinion will follow but there will still be minimal bind ( only under acceleration ). So that may be alot of info but only use what you need. short story the hubs locked in 2wd should show no adverse wear. but be sure you have an open diff. oh by the way if you want to see this in action just throw the truck in 2wd lock the hubs and lift one wheel and rotate it you will see the front driveshaft rotate to allow for the difference in cornering .