need ur help

[elvis]

I have studied at a mechanical high school,and now i syudy fot mechanical engineering.
.I need a help from u .
i need to know from urs knowledge about my audi transmission.the problem are too much but the story is this:
i have an AUDI A8 D2 4200cc quattro.In this transmission the tronic gear change doesent work and the mechanical told me this s an electrical problem,this is the first.
The seccond is :
I need to make a "supercar" using my AUDI engine and all other systems on a tube chassis made by me.I need to know from u if i can use this transmission removing the torsen differential and using only the front weels output.the engine will be placed in the middle of the car.
please give me an answer im waiting for your help.