The place where I saw it mentioned was....
http://www.mulsannescorner.com/allardj2xstory.html
Which says two of them were built to promote the sportscar racer project.
The only other mention of the car is on this link to a Romanian forum, with a familiar looking correspondent's name against it...
http://www.autoshow.ro/forum/viewthr...id=5651&page=2