Not sure if the information you are seeking will be here, but have you read these two articles at Pantera Place?
http://www.panteraplace.com/page137.htm
http://www.panteraplace.com/Sub1/page306.html
Larry
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.