Wilf,
Try
www.panteracars.com See if you can locate a web page for Gary Hall @ Hall Pantera in Paramount, Calif. Gary is the guru of the west coast on everything Pantera, Cleveland and Windsor engine, internal part etc. He will take the time to talk with you, if he isn't too busy. Try to avoid talking to his wife, Beverly if possible.
Remember, there have been no Clevelands since 1975. Your buddy might look into the potential of the 351 Windsor as well.
Another suggestion is Pantera Performance in Castle Rock, Colorado, USA telephone 1-303-660-9897
Another is Pantera's by Cook in Norco, Calif
telephone 1-909-278-4243
fax 1-909-2784244
Harris
