I purchased my T56 tranismission and had the shifter moved to the forward position by Shafi Keisler at Keisler automative.
http://www.keislerauto.com/ I also added a Tilton hydrulic through out and Keisler could have preped the adapetr plate to recieve the Tilton. Keisler was working on his own hy through out bearing and it may now be available. Also Mike Forte listed in the advertizer list on this web page can do this work.