On my 74, there was only one nut. The rest were the same sort of stud into plastic holders thingamabob that is used on the front cowl grill covers. They need to be popped out after removing the one nut.
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.