Club 80-90 Forums

I have just been browsing on the Go Westy Website
excellent site Syncro stuff, Big Engines, Wasserboxer stuff.
Worth a look

http://www.gowesty.com/directory.html

and they're selling the 'Peloquin Planetary Torsional Diffs ' read torque biaising diff, for non-difflock syncro front or rear. Difflock version in about a year.

Peloqin News

and here on GoWesty (not even mentioning Peloquin), calling them Positraction

GoWesty 'Positraction' diffs

Take a look on syncro.org, Daryl at AA Transaxles is fitting them now, and so far they are getting very good reviews... about $1200.