1g-gteu twin turbo to 2jz twin turbo engine swap

[landspeedxxx]

finaly decided to change my car engine 1g-gteu twin turbo to a 2jz-gte twin turbo - as far as i can understand the transmission is the same 5MT/4AT or its 6mt - i am calling for the engine you think i can make use of the stock transmission or i will need one of those too - rest i have a workshop and have a few ppl sitting around free al day they will do the job for free

any major complications in this engine swap do let me know -

All help appreciated

thank you