Phillipe, you can buy an universal Engine stand for as little as 53€ with free shipping to France.
53€ Version
I am using one quite similar to this one.
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.