tc was off , it now has rebuilt diff sith my 3.7's and they just put a heavy duty clutch in it nd fly wheel for $2700 im hoping this is it, i put it in gear and stood at the wheels and i could hear it coming from the diff and there was vibration in the wheels but im not sure if that vibradion in the wheels would have carryed through the gearbox, anyway ill give them a call tomoro i dont wonna spend any more on the drive line atm, sucks to hear about the fg sounds like it wud have been crazy if it happened to your own car hahaha