0204firemach

hey you all, my bud has a 1979 trans am 6.6 l, his automtic transmission just blew up. he wants to put a 4 speed manual in it now. how much would it be to do this? like just parts. what parts would he have to get? if anyone knows nything about this or has some websites i could throw his way, we would both really appreciate it.thanks everyone
kevin