WANTED: 2.8 liter tranny for 85 blazer

i need a tranny bad!!ive checked some junkyards but most of them i dont know if they work or not.but i need a tranny for a 85 2 door blazer 2.8 liter motor used or new...let me know something

are you lookin for a auto or manual
i have a good 5 speed from a 86 in very good shape i can ship cheap

well the truck is a automatic so how hard would it be to change? cuz if it wont be a big deal then i can do it.