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Thread: Dodge Diplomat 1977-1989

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    Dodge Diplomat 1977-1989

    Dodge Diplomat #1
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    Dodge Diplomat #2 1024x768
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    Dodge Diplomat Wagon (1978)
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    thanks, these are great!

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    The Dodge Diplomat was an American mid-size car that was produced by Dodge from 1977 to 1989. It is essentially similar to the Plymouth Gran Fury in the U.S. market and the Plymouth Caravelle in Canada. It was also sold in Mexico between 1981 and 1982 as the Dodge Dart, and in Colombia as the Dodge Coronet. The Diplomat was initially offered in a coupe and a sedan. In 1978, station wagons were added as replacements for the departed full-sized C-body wagons. The Diplomat was offered with a base 225 cu in (3.7 L) straight-six-cylinder engine, a 318 cu in (5.2 L) V8 engine, and an optional 360 cu in (5.9 L). The Diplomat, along with its Plymouth Gran Fury/Caravelle twin, were widely favored as police cars both in the US and Canada. Aside from the three-speed Torqueflite automatic transmission, a manual transmission was available until 1981 on six cylinder and 318 V8 models; 360 V8 models were automatic only as Chrysler lacked a manual gearbox equipped for that engine's higher torque.

    Background
    The Diplomat name was originally used by Dodge on 2-door hardtop models from 1950 to 1954. It was also used on the export version of the DeSoto from 1946 through 1961. In 1975–77, the Diplomat name was also used on a trim package available on the Royal Monaco two-door hardtop. Starting with the 1977 model year, the Diplomat became a full model line, rather than as the name of a particular body style. It was introduced as a late 1977 model in spring 1977 as a longer, fancier upmarket version of the F-body Aspen. The chassis and mechanical components are similar, and doors and various other body panels are interchangeable except for the front and rear header panels, bumpers, hood and trunk lid. Larger taillights extended into the rear hatch of the station wagon.

    Source: Wikipedia
    Last edited by Man of Steel; 08-11-2019 at 10:05 PM.

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    1980-1984
    The 1980 model year brought new exterior sheet metal for the Diplomat, although wagons were unchanged, from the doors back. While the previous coupes used the same 112.7 inch wheelbase as the other models, the 1980 coupe used the 108 inch wheelbase of the Aspen coupe (though the square body was very different). The front end was more evolutionary than revolutionary, but in order to share a hood with the newly restyled Chrysler LeBaron the grille was narrowed considerably, with an unfortunate effect on appearance and sales. The roofline of the sedan was also made more square, marginally improving headroom, and conservative, Buick-like taillights appeared on all but the wagons. Manual transmissions were dropped. Following the demise of the Dodge St. Regis R-body in 1981, the Diplomat remained, becoming the largest sedan in the Dodge lineup, despite technically being a mid-size car. Dodge would not market another truly full-size car (at least based upon United States Environmental Protection Agency (EPA) passenger volume statistics) until the Monaco debuted as a 1990 model. By 1981, Chrysler was switching to smaller front-wheel drive designs. However, its older and larger rear-wheel drive Dodge Diplomat (as well as the Chrysler LeBaron and Fifth Avenue) continued to sell. Chrysler's then executive vice president for manufacturing, Steve Sharf, met with officials at American Motors (AMC) to use the extra capacity at an assembly plant in Kenosha, Wisconsin to build the cars. Chrysler's tooling was moved from St. Louis to Kenosha, and from 1987 until 1989 about 250,000 Chrysler and Dodge models were built by AMC at a lower cost than Chrysler could. This relationship evolved into Chrysler's purchase of AMC in 1987.

    In 1982, the coupe and station wagon were discontinued and Canada's Plymouth version of the Diplomat came south of the border. The Plymouth Caravelle was offered in the United States as the Plymouth Gran Fury. 1983 was the last year for the Slant Six, and afterwards, the only available engine was the 318-cid V8 with a two-barrel carburetor. A four-barrel 318 remained the optional engine choice for the police package. For 1984, the appearance of the upscale Special Edition or SE used the Fifth Avenue's front end with its parking lights located above the headlights, and a bright metal cross overlaid on the Chrysler grille's thin vertical bars. The SE had more exterior trim and an interior that placed the SE between the Diplomat Salon and the Chrysler Fifth Avenue.
    Last edited by Man of Steel; 08-11-2019 at 10:07 PM.

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    1985-1989
    As the 1980's progressed, fewer private customers purchased the Diplomat, and the M-body was eventually dropped during the 1989 model year. Late in the Diplomat's run, the car was subject to the federal "Gas Guzzler Tax" and required premium unleaded gasoline. Although sales were strong, Chrysler CEO Lee Iaccoca held a low opinion of the M-body line as a relic of the pre-K car era and declined to invest any money in them. Despite lower gas prices in the mid- to late-1980s and a 2.26:1 rear-end gear ratio, the Diplomat's carbureted engine and lack of an overdrive gear on its TorqueFlite automatic transmission resulted in poor fuel economy compared with its larger competitors from Ford and General Motors, as evidenced by comparing the EPA estimates for 1986 models:

    Dodge Diplomat (5.2 L V8, 3-speed automatic): 16 city, 21 highway, 18 combined
    Chevrolet Caprice (5.0 L V8, 4-speed automatic with overdrive): 17 city, 25 highway, 20 combined
    Ford LTD Crown Victoria (5.0 L V8, 4-speed automatic with overdrive): 18 city, 26 highway, 21 combined

    However, Diplomats built from mid-1988 until the end of production were among the first Chrysler-built products to have a driver's side airbag as standard equipment, some two model years before the remainder of Chrysler's lineup and they were also among the only cars at the time to offer a tilt steering column with an airbag. Diplomats with airbags differed from earlier models in that they were also equipped with a padded, color-keyed knee blocker which extended out from beneath the instrument panel in front of the driver.

    Discontinuation
    When the Diplomat and similar Plymouth Gran Fury were discontinued, it marked the last rear-wheel drive non-truck model (aside from the Dodge Viper) sold by the corporation until the Plymouth Prowler was introduced in 1997. The Diplomat's other rear-wheel drive sibling, the Chrysler Fifth Avenue, also ended production, but the nameplate was continued on a front-wheel drive chassis. In the Dodge lineup, the Monaco became the top-of-the-line sedan until the introduction of the LH platform.
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    Last edited by Man of Steel; 08-11-2019 at 10:15 PM.

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    Last edited by Man of Steel; 08-11-2019 at 10:25 PM.

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    Last edited by Man of Steel; 08-12-2019 at 12:13 PM.

  11. #11
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    Dodge Diplomat #9
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    Last edited by Man of Steel; 08-12-2019 at 09:22 PM.

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