If that car is as stock as it looks, best thing is to do nothing. Freshen up, tires, and replace what ever needs replacing with original. It will be fine.
Wanna sell it?
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.