Ford Thunderbird (colloquially called the T-Bird) is a nameplate that was used by Ford from model years 1955 to 1997 and 2002 to 2005 over eleven model generations. Introduced as a two-seat convertible, the Thunderbird was produced in a number of body configurations through its production life, including four-seat hardtop coupe, four-seat convertible, five-seat convertible and hardtop, four-door pillared hardtop sedan, six-passenger hardtop coupe, and five passenger pillared coupe, with the final generation produced as a two-seat convertible.
The 1958 addition of a rear seat to the Thunderbird, while initially controversial, marked the creation of market segment eventually known as personal luxury vehicles. An American interpretation of the grand tourer, personal luxury cars were built with a higher emphasis on driving comfort and convenience features over handling and high-speed performance. From 1968 to 1998, Lincoln-Mercury marketed their own versions of the Thunderbird as the Mercury Cougar and the Continental Mark III, Mark IV, Mark V, Lincoln Mark VII, and Lincoln Mark VIII.
The Thunderbird entered production for the 1955 model year as a sporty two-seat convertible. Unlike the Chevrolet Corvette, it was not marketed as a sports car. Ford positioned the Thunderbird as an upscale model and is credited in developing a new market segment, the personal luxury car. In 1958, the Thunderbird gained a second row of seats. Succeeding generations became larger until the line was downsized in 1977, again in 1980, and once again in 1983. Sales were good until the 1990s, when large 2-door coupes became unpopular. Initial production ceased at the end of 1997. In 2002, production of the Thunderbird started again; a revived 2-seat model was launched which was available through the end of the 2005 model year. From its introduction in 1955 to its final phaseout in 2005, Ford produced over 4.4 million Thunderbirds.
The Second to Fourth Generation Thunderbird convertibles were similar in design to the Lincoln convertible of the time and borrowed from earlier Ford hardtop/convertible designs. While these Thunderbird models had a true convertible soft top, the top was lowered to stow in the forward trunk area. This design reduced available trunk space when the top was down.
The trunk lid was rear-hinged; raised and lowered via hydraulic cylinders during the top raising or lowering cycle. The forward end of the trunk lid contained a metal plate that extended upward to cover the area that the top is stowed in. With the top down and the trunk lid lowered, there is no sight of the soft top.
The overall appearance was a sleek look with no trace of a convertible top at all. No cover boot was needed.
However, this design could present a challenge to one who is troubleshooting a convertible top malfunction. The system consists of a spiderweb of solenoids, relays, limit switches, electric motors, a hydraulic pump/reservoir, hydraulic directional valves and cylinders. While the hydraulics are not often a cause for trouble, the electrical relays are known to fail. Failure of any of the relays, motors or limit switches will prevent the convertible system from completing the cycle.
Unlike hardtop models that utilized a conventional key-secured, forward hinged design, the convertibles combined the trunk opening and closing within the convertible top operating system. As a result of this design, the trunks of convertible models were notorious for leaking.
A smaller two-seater sports roadster was created at the behest of Henry Ford II in 1953 called the Vega. The completed one-off generated interest at the time, but had meager power, European looks, and a correspondingly high cost, so it never proceeded to production. The Thunderbird was similar in concept, but would be more American in style, more luxurious, and less sport-oriented.
The men and their teams generally credited with the creation of the original Thunderbird are: Lewis Crusoe, a former GM executive lured out of retirement by Henry Ford II; George Walker, chief stylist and a Ford vice-president; Frank Hershey, chief stylist for Ford Division; Bill Boyer, designer Body Development Studio who became manager of Thunderbird Studio in spring of 1955; and Bill Burnett, chief engineer. Ford Designer William P. Boyer was lead stylist on the original 1955 two-seater Thunderbird and also had a hand in designing the future series of Thunderbirds including the 30th Anniversary Edition. Hershey's participation in the creation of the Thunderbird was more administrative than artistic. Crusoe and Walker met in France in October 1951. Walking in the Grand Palais in Paris, Crusoe pointed at a sports car and asked Walker, 'Why can't we have something like that?' Some versions of the story claim that Walker replied by telling Crusoe, "oh, we're working on it" ... although if anything existed at the time beyond casual dream-car sketches by members of the design staff, records of it have never come to light.
Walker promptly telephoned Ford's HQ in Dearborn and told designer Frank Hershey about the conversation with Crusoe. Hershey took the idea and began working on the vehicle. The concept was for a two-passenger open car, with a target weight of 2525 lb (1145 kg), an Interceptor V8 engine based on the forthcoming overhead-valve Ford V8 slated for 1954 model year introduction, and a top speed of over 100 mph (160 km/h). Crusoe saw a painted clay model on May 18, 1953, which corresponded closely to the final car; he gave the car the go-ahead in September after comparing it with current European trends. After Henry Ford II returned from the Los Angeles Auto Show (Autorama) in 1953 he approved the final design concept to compete with the then new Corvette.
The name was not among the thousands proposed, including rejected options such as Apache (the original name of the P-51 Mustang), Falcon (owned by Chrysler at the time), Eagle, Tropicale, Hawaiian, and Thunderbolt. A Ford stylist who had lived in the southwest submitted the Thunderbird name. The word "thunderbird" is a reference to a legendary creature for North American indigenous people. It is considered a supernatural bird of power and strength.
Thunderbird Country Club in Rancho Mirage, California also lays claim to being the inspiration for the name of the car. Ernest Breech, a Thunderbird Country Club member, who was then chairman of Ford Motor Company was supposedly deeply involved in the creation of the Thunderbird. Breech asked the Club's permission to name the new model after the Club and the club consented to the use of the name.
The Ford Thunderbird began life in February 1953 in direct response to Chevrolet's new sports car, the Corvette, which was publicly unveiled in prototype form just a month before. Under rapid development, the Thunderbird went from idea to prototype in about a year, being unveiled to the public at the Detroit Auto Show on February 20, 1954. It was a two-seat design available with a detachable glass-fibre hard top and a folding fabric top. Production of the Thunderbird began later on in 1954 on September 9 with the car beginning sales as a 1955 model on October 22, 1954. Though sharing some design characteristics with other Fords of the time, such as single, circular headlamps and tail lamps and modest tailfins, the Thunderbird was sleeker and more athletic in shape, and had features like a hood scoop and a 150 mph (240 km/h) speedometer hinting a higher performance nature that other Fords didn't possess. Mechanically though, the Thunderbird could trace its roots to other mainstream Fords. The Thunderbird's 102.0 inches (2,591 mm) wheelbase frame was mostly a shortened version of that used in other Fords while the car's standard 292 cu in (4.8 L) Y-block V8 came from Ford's Mercury division.
Though inspired by, and positioned directly against, the Corvette, Ford billed the Thunderbird as a personal car, putting a greater emphasis on the car's comfort and convenience features rather than its inherent sportiness. The Thunderbird sold exceptionally well in its first year. In fact, the Thunderbird outsold the Corvette by more than 23-to-one for 1955 with 16,155 Thunderbirds sold against 700 Corvettes. With the Thunderbird considered a success, few changes were made to the car for 1956. The most notable change was moving the spare tire to a continental-style rear bumper in order to make more storage room in the trunk and a new 12 volt electrical system. The addition of the weight at the rear caused steering issues. Among the few other changes were new paint colors, the addition of circular porthole windows as standard in the fiberglass roof to improve rearward visibility, and a 312 cu in (5.1 L) Y-block V8 making 215 horsepower (160 kW) when mated to a 3-speed manual transmission or 225 horsepower (168 kW) when mated to a Ford-O-Matic 2-speed automatic transmission; this transmission featured a "low gear", which was accessible only via the gear selector. When in "Drive", it was a 2-speed automatic transmission (similar to Chevrolet's Powerglide).(Low gear could also be accessed with wide open throttle.)
The Thunderbird was revised for 1957 with a reshaped front bumper, a larger grille and tailfins, and larger tail lamps. The instrument panel was heavily re-styled with round gauges in a single pod, and the rear of the car was lengthened, allowing the spare tire to be positioned back in the trunk. The 312 cu in (5.1 L) V8 became the Thunderbird's standard engine, and now produced 245 horsepower (183 kW). Other, even more powerful versions of the 312 cu in (5.1 L) V8 were available including one with two four-barrel Holley carburetors and another with a Paxton supercharger delivering 300 horsepower (220 kW). Though Ford was pleased to see sales of the Thunderbird rise to a record-breaking 21,380 units for 1957, company executives felt the car could do even better, leading to a substantial redesign of the car for 1958.
Although the 1955–57 Thunderbird was a success, Ford executives—particularly Robert McNamara—were concerned that the car's position as a two-seater limited its sales potential. As a result, the car was redesigned as a four-seater for 1958.
The new Thunderbird began a sales momentum previously unseen with the car, selling 200,000 units in three years, four times the result of the two seat model. This success spawned a new market segment, the personal luxury car. It was the first individual model line (as opposed to an entire company) to earn Motor Trend "Car of the Year" honors.
It was offered in both hardtop and convertible body styles, although the latter was not introduced until June 1958, five months after the release of the hardtop. The new Thunderbird was considerably larger than the previous generation, with a longer 113.0 inches (2,870 mm) wheelbase to accommodate the new back seat. The increased size also increased the car's weight significantly by close to 1,000 pounds (454 kg). Along with a new, more rigid unibody construction was new styling, including quad headlights, more prominent tailfins, a bolder chrome grille, and a larger, though non-functional, hood scoop. Powering the Thunderbird was a new, 300 horsepower (220 kW) 352 cu in (5.8 L) FE V8, available with a three-speed manual or automatic transmissions.
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