Dusty:
You might want to look into the new Tremec TKO 500 or 600 5-Speeds. They come in both Ford and Chevy and handle 500 ft/lb or 600 ft/lb and also have 8 different shifter locations. The Ford TKO's are about $70 less than the Chevy TKO's
Go to this site to see more details on the Tremec TKO's:
http://www.ClassicChevy5Speed.com
Call or e-mail if you have questions of the Ford TKO's.