Does anyone have any expierience fitting an mfactory lsd into a duratec mtx75? an individual at 1 909-592-5933 (us tech support?) said it will not fit a duratec mtx75, only a zetec mtx75. (how does this make sense?) He then proceded to say a girl with a 2003 duratec could not fit it into her transmission. Wasn't the duratec a 2005 and later engine?