Hi
We were until recently running CV joints on our live axle and have decided to move on to tripod joints. I am unable to find any standard housings so we can use them and then refine the design for our purposes.

Check Taylor Race Engineering out: www.taylor-race.com (search FSAE or tripod under the catalog link)
They are suppliers of FSAE driveline components. Also, if you e-mail Scotty or Craig they are always a huge help.