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History TR2 -TR8

TR 2 TR2

The TR 2 was developed from the prototype TR during 1953 by Ken Richardson, and first became available towards the end of 1953. It quickly became renowned for rugged reliability, 35mpg economy, and above all, performance: 0-60 in 11.5 secs., 107mph top speed. It won the 1954 RAC Rally and quickly became a favourite with the Club Rally brigade. Produced until September 1955, 8636 examples were built, and many are still in use nearly 40 years later. The initial cost was Ģ555 plus purchase tax! Engine: 4 cyl, 1991cc 2 SU carbs, 90bhp ( gross ) at 4800rpm.

TR 3 TR3

In October 1955, the TR 3 superseded the TR 2, and the immediately obvious difference was the cellular grille fitted in the nose front apron. Engine spec as for TR 2 but 95bhp was available. This quickly increased to 100bhp with the introduction of the high port head, and in October 1956 the TR 3 became the first British production car to have disc brakes fitted as standard. Production ceased in 1957, by which time 13378 examples had been made.

TR 3A TR3A

This model followed the TR 3, and mechanically there were no changes. Another new grille was fitted, this time a full width variety, with a different front bumper and external door handles as well. The TR 3A was a wildly successful rally car at all levels of the sport, and sold in great numbers. The vast majority made was exported, principally to the USA. Later in the production run, a 2.2 litre engine became optionally available. The TR 3A were produced between 1957-1961, and 58.236 examples were built.

TR 4 TR4

In 1961 the new TR body arrived. The TR 4 being in effect a slightly widened TR 3A chassis with a modern winding window body being fitted. Still sporting 100bhp, although now 2138cc, the performance remained much as the original TR 2, although comfort and practicality were much improved. The optional surrey hardtop with removable centre section was offered, years ahead of its time, as were the "usual" extras of overdrive and wire wheels. 40.254 examples were made.

TR 4A TR4A

At the beginning of 1965, the first major TR chassis revision took place, some 12 years after the TRīs initial introduction. Although the body remained almost the same as the TR 4, as did the engine and gearbox, the rear suspension was totally revised, independent rear suspension being incorporated. This gave the car a more comfortable, softer ride, together with improved road holding, albeit at the expense of complication and an increase in running costs. The car continued in production until the late summer of 1967, 28.468 being made. For the USA market, the TR 4A was made with the option of a TR 4 type non-independent rear end!

TR 5 TR5

More power was felt necessary for the TR by 1967, and this was dramatically increased on the introduction of the TR 5, carrying the first British production use of fuel injection. The engine was a 2,5 litre six, borrowed and stretched from the Triumph 2000 saloon, giving 150bhp ( 142 bhp DIN ), an increase of almost 50 %. This motor lifted the performance into the supercar class, 0-60 being achieved in around 8 seconds, and 120mph was possible. The body continued much as the TR 4/4A. Not many TR 5s were made, just 2947, in a short 15 month production run, though many more TR 250, 8484, carburettor versions were made for the USA market. USA version had 2 Stromberg carbs and produced only 104bhp.

TR 6 TR6

In early 1969 the TRīs second new body appeared, this time a facelift carried out by Karmann.The car īs centre section was left almost intact but a new bonnet and boot section was grafted on, producing a more angular, purposeful- looking TR. The 150bhp (142 bhp DIN) injection engine continued until the end of 1972, when it was somewhat derated to 124 bhp(DIN). For the US market the "federal" engine had 2 Stromberg carbs to keep within the exhaust-emission limits and produced only 104-106 bhp depending on which year. The TR 6 remained in production longer than any previous TR, continuing for the European market until 1975, and for the US market until 1976. The TR 6 were produced in 91.850 examples.

TR 7 TR7/8

The TR 7 introduced in 1975 had nothing at all in common with the earlier TRīs except the name and the fact that it was a 2 seater! It was a fixed head coupe, and carried a 2 litre development of the 1850 Dolomite engine. The engine specification was 105bhp. Performance and economy were rather good, but reliability was questionable at first, 0-60 was possible in just under 10 seconds, top speed of something over 110mph, and 30mpg.The car was undergeared at first, but introduction of the 5 speed box in 1977 cured this. In late 1979 the long awaited, better looking, drophead version arrived, and for the last two yearsī production the great majority sold were dropheads. The TR 8 was a version with the Rover V8 engine fitted which gave excellent performance, and which was marketed in the USA from 1979. It was about to hit the UK market, and some 20 or so RHD prototypes had been made, when the whole TR 7/8 production was closed down in October 1981. Over 100.000 examples were made.

The history and pictures above are copied from The TR Register by permission.

"An oilleak!!!! My car is just marking itīs territory"