I use the XDI distributorless ignition:
Coil packs on firewall:
Timing control under arm rest. Notice toothed wheel and pickup in background:
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.