Glenfrome Engineering was a British specialist vehicle manufacturer based in Bristol that operated from 1977 to 1986, after which the business continued under the name Elektiar in London until 1988. The company's core activity was the conversion of Range Rovers, notably transforming them into six-wheeled vehicles and convertibles. Its first original project, developed in 1975, was the Delta, a two-door coupé distinguished by flying rear buttress styling and a rubber-faced…