Well it all started out logically enough.
I used a vw trans axle mounted to a north-south Honda 1800 cc engine.
Then, I sawed off the rear torsion bar mounting plates and the long brackets that came back from the rear torsion arms. Cutting the brackets down allowed me to completely eliminate the half axles and to just run the inner and outer cv joints connected on each side by by a 6 inch stub shaft made from shortened axles.
I'll have to get some pictures up.
Anyway I seem to have outsmarted myself...I now have a car with a 38" rear tread.
The Honda engine that sat east-west in the Acura donor car had a rather large and complicated intake manifold that took up all the room between the engine and the firewall.
Now, that manifold hangs out over the left rear tire by a good (bad?) three inches.
The more I explain this this more confusing it is.
Anyhow...there is no no easy way to widen the rear track--you'll see when I upload the pics tomorrow.
Thanks