According to Michael Shoen´s "The Cobra Ferrari Wars" your information is right and there was a car build at Radford in Hammersmith near London. Pete Brock and Carroll Shelby went to Radford to check the progress of the fabrication of the Super Coupe. They found out that it was totally out of shape; the body was eight inches to wide. Michael Shoen quotes Pete Brock: "The first car was taken out to the scrap heap and just thrown away". In "Daytona Cobra Coupes" by Brock, Friedman, Stauffer Pete Brock states "I scrapped the junker, cleared out the shop, and started over". So lets go to Hammersmith near London and look at all scrapyards for a Super Coupe Body and chassis, which is eight inches too wide!
Michael