Hey all. a couple of days ago i bought a new main diff gear for my Infinity witin 25 minutes the gear had worn away agen. (it worn away when the truck was sitting idle all of a sudden the engine screaming and it had worn away.) because i live in the uk i bought a couple of the gears this time. i was just woundering if any of you guys could help me. weather theres away to make the gears last just a bit longer than 25 mins. thanks all.