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
Ford Thunderbird previous Thunderbird, the new Thunderbird featured a radically sleeker, more aerodynamic body and a slightly shorter wheelbase of . To power the new Thunderbird, the 3.8 L Essex V6 and 5.0L (302 cid) V8 were carried over from the previous generation with the V8 engine gaining CFI electronic fuel injection in 1983, and the V6 in 1984 for US models, 1985 for Canadian models (which was in turn replaced by multipoint fuel injection on the V8 in 1986 and the V6 in 1988). All-new, and a Thunderbird first, was a turbocharged 2.3 L OHC 4-cylinder engine featured in the 1983