Best is
http://www.kmsracingengines.com/contact.html
You need to give engine to specialist, not to a company who sell spark plugs
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.