Welcome KraftWerk, another LT owner.
I have not swapped out the engine, but it is done through the right-hand door via the engine bay cover.
http://www.brick-yard.co.uk/forum/se...KW=engine+swap
You do not need a two-post lift, just a crane with a reach of 1500mm and 250kg.
Check out the BrickYard forum, many a helpful LT owner on there, like me for instance, LTCamper89.