engine swap from 250 to 350 small block?

[brans72]

Looking for info on what needs to go and what is need to swap from a 250 to a 350 small block. So far I have the 350 engine and plan on using a 700r4 transmission. So far I have pulled the old 250 and 3 speed transmission. I know I will need radiator,trans lines,possible drive shaft not sure there, crossmember since mine is gone,engine stands. So please help me out guys with what other items I will need to do the swap. Any items I can use again??? Also what about the 2 perches on the frame where trans tunnel starts has a bolt on each side that goes to 250 engine? Thanks for any help Brandon