The pick up and sender is one unit on the newer models. Yours may not be so just upgrade to the new one and cap off the old pick up tube or use the old one as a return fuel line if you are going to run fuel injection as someone else said already.
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.