Hard-core Mustang types, and those who consider themselves Shelby enthusiasts, know that Shelby didn't offer a convertible model until 1968. However, Shelby did have two '67 prototype GT500s built--one coupe (known as Little Red) and one convertible. The convertible was designated as "EXP500," and Carroll used it as his personal driver. While EXP500 was stolen, recovered, and subsequently sold as a refitted '68 model, it now resides in the Volo Auto Museum in Volo, Illinois. Howard Saslow went to great pains to re-create the EXP500 as his own personal tribute to the only Shelby convertible made in 1967. Powered by a 392 Windsor from Ford Racing Performance Parts and riding on a Heidt's Mustang II frontend, the convertible was a big hit at the NMRA's Auto Show & Shine. Saslow's clone took a Top 20 award and Director's Choice on Saturday and returned Sunday to capture the Best of Show award.