7afe to 3sge swap, what do i need ? Options

[speedyrider]

i m sorry if the topic has been here before.
but i couldn't really find teh information i was looking for.
so i planning to swap my slow 7afe into a 3sge one.
but what else do i need to change other than engine , ecu and gearbox ?
do i need too change the radiator or not ?

whell i hope u understand my questing (sorry for the poor english tho )

i m really searching for specific information.

thx on advance