i have put a sw20 turbo box into a 162 celica, all the information i recieved told me it was an easy conversion...... what i didnt get told was that an LSD sw20 gearbox was a completely different story, the box is bigger (read modified crossmember) driveshafts had to be modified as the mr2 shafts are almost twice the size of the celica ones i had, so in my case it wasnt so easy or cheap and i never stopped having problems with the drivetrain. if you have any specific questions please dont hesitate to ask.