Uli, why not find a local TIG welder and fix what you already have? Most cast covers weld beautifully. I once took a pair of 327 Chev alloy covers and fitted them to a 215 Buick.
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.