Audi engine swap

OK. Just bought a s4 twin turbo 2.7 in a pre production 99 chasis. Already had a 2.8 97 a4. Dont think i can title the 99 and run it on the road. Heres the question. Anyone know how much modification is required to move the 2.7t to the 2.8 bay. From what I have read the 2.7 is a destroked 2.8. How much modification to the engine bay am i going to have to do. I mean who could pass up a 99 s4 for 5 grand? Just got to figure out what to do with it now.

I don't think you're gonna get to many answers cause you're in the Infiniti G20 section askin about an Audi... Maybe try audi-sport.net:
http://www.audi-sport.net/Logo2.jpg (http://www.audi-sport.net)