1jzgte will cost you like 1,50lac with auto tranny but if you want manual, r154 is way too expensive and not available here, its gonna cost you another 1,5lac, gotta get w58, dont know the price,you'll need to upgrade your brakes and suspension too,you can put r32 brakes, suspension i dont know,you will need costum engine mounts and ive read something about subframe too, not sure now, and yes a good diff to handle the power, Im not an expert, do ask an expert or an owner of a 2jz 1jz etc.i just can't see an unanswered thread 