- The TR Register was founded in 1970 and has been growing steadily ever since to become one of the most successful one-make car clubs in the world, offering members a wealth of information and expertise. It was founded by enthusiasts for the benefit of enthusiasts and caters for all models of TR from TR2 - TR8 and all derivatives - Italia, Swallow Doretti, Peerless, Warwick.www.tr-register.co.uk