John Taphorn in Texas did the last few for us, but he's pretty much stopped doing them also, lack of replacement parts & lack of spare time. Wouldn't hurt to reach out to him.
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.