Here's the stuff I found from google:
http://performanceforums.com/forums/arc ... 64391.html
http://forums.club4ag.com/zerothread?id=100054
From the first thread here's some useful info I noted:
I have used a 2S bellhousing out of a Celica, which lines up with 2 dowels and a bolt, but I'm adding new bolt holes of course.
Had to mount the starter into the bellhousing, cos yota use a reverse mounted friggen starter and there's not room to mount one normally.
3SGTE Flywheel has had flywheel holes slightly elongatd to fit. I wouldn't reccommend this though :p
Gonna be running a Autroninc SM4 and locking the echaust cam and only using the variable intake.
Made my own manifold because the standard plastic one sat too high, was a dual length setup with a butterfly in it and an electric throttle.
So it looks like it's not too trivial. Apparently he used a W58 trans from a NA supra