So I found a lot of info on this subject on a celica forum. Seems like a huge pain for not much gain. It looks like I would need the head, electronics, wiring harness, ecu, while still having to do some modification to fit it. Way more expensive than I thought it might be. I'll just port and polish my head and be done with it
If anyone is interested here are the threads:
CelicaTech
CelicaTech