I added some tables to my Vanagon to Audi engine swap page.
There are a list of gearboxes with ID number and rations:

http://www.relitech.com/helmut/GEARBOX.HTM

and second, a list of AUDI engines:

http://www.relitech.com/helmut/ENGINES.HTM

but they are not liked via main page up to now.

Helmut
'80 Camper