tr6 diff weaknesses

["Mike D'Ambrogia" <miked@jamagination.com>]

Where/what exactly are the weaknesses to the internal diff unit in a tr6
-- I know about the frame mounting point weaknesses and the hub
weaknesses -- but what about the weaknesses inside the diff itself?  Are
there uprated R&P gears avail?  Is the case itself strong enough to
handle higher HP applications when combined with upgraded axles and
mounting point reinforcing?  If I pump over 300hp thru there what is
going to break?

Mike D