Might want to consider an adjustable timing pointer, as it allows precise 0 degrees at TDC adjustability.
https://www.google.com/search?...rc=LA4noX1ws8jEFM%3A
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.