Sorry for being so long offline, but i didn't knew you guys responded to my post.
The 3sgte engine is one of the most uncommon engine in the tuning circles even more the new generation one the ST215, yes the engines came only out in transverse-mounted configuration, but that doesn't stop anyone of changing it to rear wheel drive. The 3sgte in my opinion is one of the best designed and manufactured engines that Toyota has made till date. Heap of potential, but not allot of parts available from the shelf and allot has to be imported or manufactured. Well modified and tuned engine can easy do 500hp, and with forge parts much, much more.
We had to change the sump and the sump pickup for that and that wasn't too big of a mission. Where the fun really starts is when it is installed as the IS200 exhaust runs on the right hand side and the 3sgte is on the left hand side. With this the fuel lines and brake lines has to be modified to get it away from the heat of the exhaust.
There is a few hiccup that we sorted out threw time and effort and modification but I think it is worth it, just because nobody wants to go through the hassle and change/modify everything so they use the 2JZGTE engine. Awesome engine but everyone is doing it so that is why i went for the 3sgte, allot a patience is needed.
But I am almost there only need the exhaust and manifold the be-manufactured and finish the ecu wiring.