Scott, I'm your guy. I just built an aluminum adaptor that bolts to the CV flange and then the U-Joint bolts to that. You can contact me off the list to get pictures and specifications. Here is a link that will give you the general idea. http://www.corvair.org/chapters/chapter981/V8Vair/Photogallery/V8VairProject DriveShaft/index.html Jim Acker