don't even threaten with a attorney. this probably isn't the first time this has happened for him, so im sure he'* used to "threats", just serve him the court papers. then let him come to you. also, file a complaint with the BBB
of course no transmission is MEANT to fail. he "rebuilt" the transmission on a performance sedan, that came stock with a supercharger, bet if you beat the crap out of the car from day 1 back in 94 the transmission wouldn't go out that fast. no way he can prove you were abusing it, he'* just hoping you'll just go somewhere else, take him to court
modded & dropped 95 Aurora - SOLD for a 2001 Alero GLS - which is now being sold for a 93 SSEI WHICH got sold for a modded 98 regal GS!!!
98 regal GS:
3.4 / thrasher intake / SLP powerflodual exhaust / 3-2.5" downpipe w/ highflow cat / DHP 1.0 / afc 2.2 / gmpp handling package / other small things