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Ford Tempo
The Ford Tempo is a compact car that was manufactured by Ford from the 1984 to 1994 model years. The successor of the Ford Fairmont, the Tempo is the fourth generation of compact cars sold by Ford in North America, marking both its downsizing and adoption of front-wheel drive. Through its entire production, the Tempo was sold as a two-door coupe and four-door sedan; Lincoln-Mercury marketed the model line as its Mercury Topaz divisional counterpart.
Deriving its chassis underpinnings and powertrain from the Ford Escort, the Tempo marked the introduction of aerodynamic exterior designs for a Ford sedan line. First seen on European Ford Sierra hatchbacks and the 1983 redesign of the Ford Thunderbird coupe, the design language was advanced further with the introduction of the larger Ford Taurus (introduced for 1986). The first Ford car line to offer all-wheel drive as an option, the Tempo was also the first American automobile to offer a driver-side airbag as an option.
Produced across multiple facilities in North America, the Tempo/Topaz was produced in a single generation of two-doors; two generations of four-door sedans were produced. For the 1995 model year, the Tempo/Topaz four-door sedan was replaced by the Ford Contour (and Mercury Mystique), developed from the Ford Mondeo; the two-door Tempo was not directly replaced.
In the late 1970s Ford began planning to replace their compact rear wheel drive Ford Fairmont and Mercury Zephyr models with a new smaller front wheel drive (FWD) car. This new compact was expected to compete in the marketplace with General Motors' X-Body, but wound up more similar to GM's J-cars. Ford's chief development engineer for the new car was Ed Cascardo.
The Tempo and Topaz chassis shared some parts with the front-wheel-drive platform used on the first North American Ford Escort, but with a wheelbase stretched by 5.7 in (145 mm) and distinctive new bodies. There were few common components due to the Tempo and Topaz's larger size. Switching to front-wheel drive freed up interior space that would have otherwise been lost to accommodate a driveshaft and rear differential.
Wind tunnel testing on the Tempo began in December 1978. More than 450 hours of testing resulted in over 950 different design changes. The Tempo and Topaz both featured windshields inclined at a 60° angle and aircraft-inspired door frames, two features that had both appeared on the Thunderbird and Cougar in 1983. The door frames wrapped up into the roofline, which improved sealing, allowed for hidden drip rails, and cleaned up the A-pillar area of the car. The rear track was widened, improving aerodynamic efficiency. The front grille was laid back and the leading edge of the hood was tuned for aerodynamic cleanliness. The wheels were pushed out to the corners of the body, reducing turbulence. The cars' backlights were also laid down at 60°, and the rear deck was raised, reducing drag and resulting in greater fuel efficiency. Viewed from the side, the raised trunk imparted a wedge stance to the car which was especially prominent on the two-door coupes. The aerodynamic work resulted in a coefficient of drag () of 0.36 for the two-door Tempo, equal to that of the aero Ford Thunderbird. The four door returned a drag coefficient of 0.37.
The Tempo was designed for a four-cylinder engine, but all production of Ford's 2.3 L Lima OHC four was committed to other product lines. In 1983 Ford had stopped production of their 200 cubic inch Thriftpower inline six, leaving unused capacity at the Lima Engine plant. Ford developed a four-cylinder engine that shared some features of the Thriftpower six, topped with a new cylinder head and using other new technologies, while repurposing as much tooling as possible at the Lima plant.
When the cars were released, a turbocharged version of the new four cylinder was said to be in development, but this engine never became available. At that point, a V6 was not being considered.
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Ford Tempo
The Ford Tempo is a compact car that was manufactured by Ford from the 1984 to 1994 model years. The successor of the Ford Fairmont, the Tempo is the fourth generation of compact cars sold by Ford in North America, marking both its downsizing and adoption of front-wheel drive. Through its entire production, the Tempo was sold as a two-door coupe and four-door sedan; Lincoln-Mercury marketed the model line as its Mercury Topaz divisional counterpart.
Deriving its chassis underpinnings and powertrain from the Ford Escort, the Tempo marked the introduction of aerodynamic exterior designs for a Ford sedan line. First seen on European Ford Sierra hatchbacks and the 1983 redesign of the Ford Thunderbird coupe, the design language was advanced further with the introduction of the larger Ford Taurus (introduced for 1986). The first Ford car line to offer all-wheel drive as an option, the Tempo was also the first American automobile to offer a driver-side airbag as an option.
Produced across multiple facilities in North America, the Tempo/Topaz was produced in a single generation of two-doors; two generations of four-door sedans were produced. For the 1995 model year, the Tempo/Topaz four-door sedan was replaced by the Ford Contour (and Mercury Mystique), developed from the Ford Mondeo; the two-door Tempo was not directly replaced.
In the late 1970s Ford began planning to replace their compact rear wheel drive Ford Fairmont and Mercury Zephyr models with a new smaller front wheel drive (FWD) car. This new compact was expected to compete in the marketplace with General Motors' X-Body, but wound up more similar to GM's J-cars. Ford's chief development engineer for the new car was Ed Cascardo.
The Tempo and Topaz chassis shared some parts with the front-wheel-drive platform used on the first North American Ford Escort, but with a wheelbase stretched by 5.7 in (145 mm) and distinctive new bodies. There were few common components due to the Tempo and Topaz's larger size. Switching to front-wheel drive freed up interior space that would have otherwise been lost to accommodate a driveshaft and rear differential.
Wind tunnel testing on the Tempo began in December 1978. More than 450 hours of testing resulted in over 950 different design changes. The Tempo and Topaz both featured windshields inclined at a 60° angle and aircraft-inspired door frames, two features that had both appeared on the Thunderbird and Cougar in 1983. The door frames wrapped up into the roofline, which improved sealing, allowed for hidden drip rails, and cleaned up the A-pillar area of the car. The rear track was widened, improving aerodynamic efficiency. The front grille was laid back and the leading edge of the hood was tuned for aerodynamic cleanliness. The wheels were pushed out to the corners of the body, reducing turbulence. The cars' backlights were also laid down at 60°, and the rear deck was raised, reducing drag and resulting in greater fuel efficiency. Viewed from the side, the raised trunk imparted a wedge stance to the car which was especially prominent on the two-door coupes. The aerodynamic work resulted in a coefficient of drag () of 0.36 for the two-door Tempo, equal to that of the aero Ford Thunderbird. The four door returned a drag coefficient of 0.37.
The Tempo was designed for a four-cylinder engine, but all production of Ford's 2.3 L Lima OHC four was committed to other product lines. In 1983 Ford had stopped production of their 200 cubic inch Thriftpower inline six, leaving unused capacity at the Lima Engine plant. Ford developed a four-cylinder engine that shared some features of the Thriftpower six, topped with a new cylinder head and using other new technologies, while repurposing as much tooling as possible at the Lima plant.
When the cars were released, a turbocharged version of the new four cylinder was said to be in development, but this engine never became available. At that point, a V6 was not being considered.
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