this may be a dumb question but does anyone know if you can do swap a S4 engine into a A4?

I have a 1996 A4 that is in great shape and body is awsome but the car has alot of miles on it and i was wondering about a engine swap.

 

http://www.lmgtfy.com/?q=S4+Engine+Swap

 

haha that link was funny i was like someone is ******* lazy

 

HAHA thanks... I guess i could have done that..