[Mister Towed]

Not really necessary in a very light car unless you're looking for out and out track day handling, but if you must, it seems anything's possible -

http://homepages.paradise.net.nz/lghrnrm/tessapg2.htm

http://www.club.triumph.org.uk/cgi-b...0092897/s-all/

http://diskhero.com/prirace/gt6-rear-suspension.asp