Go here and become a member, everything you need to know about 2ng gen Camaro's
http://www.nastyz28.com/forum/index.php
Now from what I have read you will need a bellhousing, hydraulic clutch setup, crossmember, driveshaft and I think you might have to change the pinion angle just a hair. All the guys over there love their 5 and 6 speed converted Camaro's.
If mine ever blows I will step up!