Hello,

Try a 4.86 ring and pinion with 1st-5th of :

4.11/2.33/1.47/1.01/.82

That would give you a final drive of 4.86X.82 = 3.9852.

There were some versions with a 5.43 ring and pinion
with a 4.11/2.33/1.47/1.01/.77 (4.1811 final) but I have
not run across any myself.  I don't think they were
imported by VW into the U.S. market and what is out
there is grey market.

-Todd Hill
 VolksWerks Transaxles
 Olympia, WA
 360-412-0948