It is defenetly not easy, and I did it with the trans removed.
See post 53 here:
http://986forum.com/forums/performance-technical-chat/37984-winter-project-2.html
Hope it helps.
Another tip I can give you, is to remove the rubber grumett of the engine main wires loom (left side of the arrow) it will give you more room to work.
Take your time and don't give up.
Good luck.