A good reply.
Going to the stateofspeed.com site for the Jimmy Shine article, I bet I'm the only person on here who recognizes the yellow car, without googling it. I never saw the Discovery show they spoke of.
This was a literal, 'garage-built' car, which put it to the foreign competition for many years, from a very-humble mish-mash of parts, backyard engineering at its best.