The Davenport Special was a one-off Mini-based sports car built in 1974 by Derek Davenport of Birmingham, who wanted a GTM-style car for drag racing but could not afford a kit. He built a spaceframe chassis from square-section tubing to carry two Mini subframes, one at the front and one at the rear. For the body he made a model in plaster and polystyrene and used it to laminate the…