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History of the 1961-1967 Triumph TR4
Building off of the TR3's success, Triumph unveiled the TR4 in 1961. Furthering the evolution of the earlier model, the TR4 combined a low cost of entry with a capable open-top sports car to become one of Triumph's best-loved cars.
Stylistically, the TR4 was quite a departure from the TR3. Gone were the low-cut doors and polarizing grille of its predecessor, and in their place was a more modern design courtesy of Giovanni Michelotti. A spacious trunk, high beltline, full-sized doors with roll-up windows, and a revised front look brought the company into a new era.
Mechanically, the car possessed the same 105-hp, 2138 cc, inline four-cylinder engine that was offered during the TR3's later iterations, though buyers who were looking race their Triumph in two-liter classes could opt for the 1991 cc mill. The TR4's chassis was initially the same as its predecessor, though the track was wider and steering was through a rack and pinion set-up.
In 1965, Triumph released the TR4A (which was never referred to as such by the company itself). The car marked the introduction of a completely new independent rear suspension, and the TR4's ride benefitted greatly.
Popular options on the TR4 included overdrive and a "Surrey" top that resembles what is today called a Targa roof. TR4A buyers could also opt to replace their independent rear suspension with the TR4's solid rear axle.
In all, just over 40,000 TR4s left the Coventry factory. And like most British roadsters of the era, the lion's share landed in the U.S. Their relative affordability, good handling, and brisk performance made them a popular choice on the track, and they continue to be an entertaining drive today.
1967 triumph tr4a Info
4-cyl. 2138cc/104hp 2x1bbl
4-cyl. 2138cc/105hp 2x1bbl SU
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