440 duster

I have a 72 duster with a slant six ans I have a 440 I am wanting to put in it ho whard is it? can i use factory exhaust manifolds? will i have to switch the crossmember? I will be using a 727 tourqeflight . what about engine mounts i alreadt know bout the oil pan but im kinda low on cash im just trying to get by the sheapest way possible. thanks