The Triumph TR3
The TR3 took over from the TR2 at the end of 1955, the important changes being to provide more power (this rose from 90 to 95bhp at this time), along with a square slatted front radiator grille. Then, from late 1956, all new TR3s were equipped with front-wheel disc brakes as standard equipment, which gave the cars a performance and marketing advantage over all their rivals.
The biggest change then followed, for 1958, when the TR3A took over, this car having a modified 'wide-mouth' front style, exterior door handles and a higher level of trim and equipment. An enlarged, 2,138cc, engine became optional from 1959 (though few such cars were sold, it seems). It was this model which the American buyers really took to their hearts, for in the next four years more than 58,000 examples would be built.
Although the TR4 then came along, to replace the TR3A, in 1961, for one year only, in 1962, an interim 'old model' called the TR3B was produced, entirely for the North American market - this keeping the original 'side-curtain' style, but using the updated TR4 engine and transmission.
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