hey guys.. does any one know the stall speed for the converter for a 1995 AODE or 4R70W ford tranny

? i think its 1200 rpm but im not sure im just going by where the car shifts.. i just bought another thunderbird (this ones a supercoupe hehe) but the guy said the TQ converter was shot.. so i havent driven it yet. any help would be appreciated (as usual lol) thx again guys