Ford Thunderbird (fifth generation) The taillights spanned the full width of the car, and featured, as in previous Thunderbird models, sequential turn signals. The 1968 Thunderbird saw the introduction of the new 385 series big-block V8 engines. Like most Ford motors of the time, they were tuned down to for insurance reasons. The Thunderbird motors also got special treatment with wedge style heads, making a significant power increase over their conventional headed brothers. These motors made the cars some of the quickest and fastest ever produced, despite their larger size and heavier body on frame construction. 1968 and 1969 model years saw minor trim
Triumph Thunderbird into the US market. The 'Thunderbird' name and retro styling recalls the original Triumph company's golden years of the 1960s. It was the first "classic" Triumph to be produced by the resurgent company. The engine, redesigned to give a period look and de-tuned for more torque at lower rpm, was a variant of the 885 cc triple engine. Peak power was down to from . Several variants of the Thunderbird were produced, Triumph T309TT Legend, Triumph T309RC Adventurer, and the Triumph T309RD Thunderbird Sport, which produced a claimed 82 bhp. The Thunderbird was produced until 2003 and the Thunderbird Sport