Locking the center diff will send equall power to both the front and rear diffs, so when the front wheels are off the ground you will still have plenty of power to rear diff, Wheelies on demand!! I have had my center diff locked for about 1 1/2Yr now and yes the drive line will wear faster and you will break a few parts, but the performance gain is VERY well worth it. Over the past year I have broke 1 rear outdrive cup on the right side(when looking forward from the rear), 1 ring gear on the front diff(I think that was from practicing stoppies), and have replaced 2 sets of drive cups on all diffs. Not bad at all considering the fun I have had with the locked center diff.. Oh yeah I have broke acouple pins on the drive shafts but soon realized the slop of a worn cup kills the pins, quick.