Chrysler LH platform
Encyclopedia
The LH platform served as the basis for the Chrysler Concorde
Chrysler Concorde
The Chrysler Concorde was a large four-door, full-size, front wheel drive sedan produced by Chrysler from 1993 to 2004. It replaced the Chrysler Fifth Avenue on the lineup. One of Chrysler's 3 original Chrysler LH platform models derived from the American Motors/Renault-designed Eagle Premier, it...

, Chrysler LHS
Chrysler LHS
The Chrysler LHS is a full-size, front wheel drive car based on the Chrysler LH platform.Having been praised throughout its production run as offering a blend of high-end features, along with solid performance, the LHS was marketed as a rival to other cars costing thousands more...

, Chrysler 300M
Chrysler 300M
The Chrysler 300M is a sports sedan produced by Chrysler from 1999 to 2004. Chrysler Corporation revived the 300 name on the 300M. This time it was a front-wheel drive, V6 engined car using the Chrysler LH platform. While not technically part of the famous "letter series" of the 1950s and 1960s,...

, Dodge Intrepid
Dodge Intrepid
The Dodge Intrepid is a large four-door, full-size, front-wheel drive sedan car model that was produced for model years 1993 to 2004. It was mechanically related to the Chrysler Concorde, Chrysler LHS, Chrysler New Yorker, Eagle Vision, and also the 300M sedans...

, Eagle Vision
Eagle Vision
The Eagle Vision was a full-size, front-wheel drive sedan, marketed as a sports version of the Chrysler LH platform, produced from 1993-1997. It was sold by the Eagle division of the Chrysler Corporation, replacing the AMC/Renault-designed Eagle Premier...

, and the final Chrysler New Yorker
Chrysler New Yorker
The Chrysler New Yorker was a premium automobile built by the Chrysler Corporation from 1939–1996, serving for several years as the brand's flagship model. A model named the "New York Special" first appeared in the 1930s...

. A Plymouth
Plymouth (automobile)
Plymouth was a marque of automobile based in the United States, produced by the Chrysler Corporation and its successor DaimlerChrysler.-Origins:...

 to be called the "Accolade" was planned, but never saw production. The platform pioneered Chrysler
Chrysler
Chrysler Group LLC is a multinational automaker headquartered in Auburn Hills, Michigan, USA. Chrysler was first organized as the Chrysler Corporation in 1925....

's "cab-forward" design; featured on some Chrysler, Dodge, and Eagle cars in the 1990s and early 2000s.

Development

The LH platform was based on the AMC
American Motors
American Motors Corporation was an American automobile company formed by the 1954 merger of Nash-Kelvinator Corporation and Hudson Motor Car Company. At the time, it was the largest corporate merger in U.S. history.George W...

-developed and Renault
Renault
Renault S.A. is a French automaker producing cars, vans, and in the past, autorail vehicles, trucks, tractors, vans and also buses/coaches. Its alliance with Nissan makes it the world's third largest automaker...

-derived Eagle Premier
Eagle Premier
The Eagle Premier was a full-size automobile developed by the American Motors Corporation and Renault partnership, inherited by Chrysler Corporation when it acquired AMC in 1987, and marketed from 1987 through 1992...

. According to "Bob" Lutz, "[t]he Premier had an excellent chassis and drove so dammed well that it served as a benchmark for the LH ... the spiritual father, the genetic antecedent of the LH is the Premier." Like the Premier, the LH-cars featured a longitudinally-mounted engine with a front-wheel drive drivetrain, unusual in most American front-wheel drive cars, but a hallmark of Renault's designs.

The LH platform team was headed by François Castaing
François Castaing
François J. Castaing is a 27-year veteran automotive executive with Renault, American Motors, and Chrysler. He is an engineering graduate from École Nationale Supérieure d'Arts et Métiers in Paris, and worked in Europe for Gordini and Renault before being named Vice President for Product...

, who was previously responsible for product engineering and development at AMC. Working with an engineering team of only 700, it took just over three years from the styling studio to the showrooms. To give focus for the platform engineering team, the benchmark target was the Eagle Premier. The LH platform and engine design were also benchmarked against the Ford Taurus
Ford Taurus
The Ford Taurus is an automobile manufactured by the Ford Motor Company in the United States. Originally introduced in the 1986 model year, it has remained in near-continuous production for more than two decades, making it the fourth oldest nameplate that is currently sold in the North American...

 and Nissan Maxima
Nissan Maxima
The first car to wear the Maxima name was introduced in 1981. It was essentially a Japanese-market Bluebird 910 with a longer nose. The car was offered as the 810 Deluxe or 810 Maxima that first year, and all 810s became Maximas for 1982...

; while the Acura Legend
Acura Legend
The Acura Legend, sold as the Honda Legend outside the U.S., Canada, and parts of China, was a luxury vehicle sold from 1986 to 1995 as both a sedan and coupe. It was the first flagship sedan sold under the Acura nameplate, until being renamed in 1996 as the Acura 3.5RL. The 3.5RL was North...

, Toyota Camry
Toyota Camry
The Toyota Camry is a series of mid-size automobiles manufactured by Toyota since 1982, and sold in the majority of automotive markets throughout the world...

, Lexus ES300, and the BMW 5 Series
BMW 5 Series
The BMW 5 Series is a mid-size / executive car manufactured by BMW since 1972. The car, now in its sixth generation, is sold in sedan and touring body styles....

 also were targets, but to a lesser degree.

A rumor at the time was that LH stood for 'Last Hope'. This was because Chrysler faced an uncertain future that its engineers were allowed to do what they felt was innovative. The LH vehicles were, generally, a great success for Chrysler and the cab-forward look influenced other car designs in the 1990s. Although the real gold mine of Chrysler's acquisition of AMC was the Jeep
Jeep
Jeep is an automobile marque of Chrysler . The first Willys Jeeps were produced in 1941 with the first civilian models in 1945, making it the oldest off-road vehicle and sport utility vehicle brand. It inspired a number of other light utility vehicles, such as the Land Rover which is the second...

 brand, their minivans and LH sedans also helped to bail the company out of almost certain bankruptcy in the 1990s.

Chrysler advertised the advantages of the LH's "cab-forward" architecture (short, sloping hood and long windshield), and even used the platform name for the Chrysler LHS
Chrysler LHS
The Chrysler LHS is a full-size, front wheel drive car based on the Chrysler LH platform.Having been praised throughout its production run as offering a blend of high-end features, along with solid performance, the LHS was marketed as a rival to other cars costing thousands more...

 sedan. This look dictated one major design decision: the LH uses a longitudinal engine
Longitudinal engine
In automotive engineering, a longitudinal engine is an internal combustion engine in which the crankshaft is oriented along the long axis of the vehicle, front to back....

 rather than the transverse engine
Transverse engine
A transverse engine is an engine mounted in a vehicle so that the engine's crankshaft axis is perpendicular to the long axis of the vehicle. Many modern front wheel drive vehicles use this engine mounting configuration...

 position, which is more typical for front-wheel drive cars. This arrangement meant that the design team had to use a chain to connect the automatic transmission with the front differential, a design reminiscent of the original Oldsmobile Toronado
Oldsmobile Toronado
The original Toronado began as a design painting by Oldsmobile stylist David North in 1962. His design, dubbed the "Flame Red Car," was for a compact sports/personal car never intended for production...

. The transverse engine position generally uses a chain to connect the engine with the transmission, a higher-velocity application subject to greater wear and noise.

The Dodge and Eagle LH cars competed directly against the Ford Taurus and other mid-size cars, largely replacing the K-based C-bodies
Chrysler K platform
The Chrysler Corporation's K-cars were compact-to-midsize cars designed to carry six adults on two bench seats and were aimed not only to replace Chrysler's nominally-compact F-body Aspen and Volaré, but also to compete with intermediates like the Chevrolet Malibu and Ford Fairmont...

, The Chrysler models competed with upmarket domestics such as Buick
Buick
Buick is a premium brand of General Motors . Buick models are sold in the United States, Canada, Mexico, China, Taiwan, and Israel, with China being its largest market. Buick holds the distinction as the oldest active American make...

 and Oldsmobile
Oldsmobile
Oldsmobile was a brand of American automobile produced for most of its existence by General Motors. It was founded by Ransom E. Olds in 1897. In its 107-year history, it produced 35.2 million cars, including at least 14 million built at its Lansing, Michigan factory...

. The LH cars debuted in 1993, and were updated in 1998. The LH platform was replaced with the rear-wheel drive Chrysler LX platform
Chrysler LX platform
The LX platform is Chrysler's full-size rear wheel drive automobile platform for the mid part of the first decade of the 21st century. The LX was developed in America from the previous Chrysler LH platform, which had been designed to allow it to be easily upgraded to rear and all-wheel drive...

 for the 2005 model year.

First generation (1993-1997)

The first generation LH cars used the existing 3.3 L OHV V6
Chrysler 3.3 engine
This engine was Chrysler's first 60° V6 engine designed and built in-house for front wheel drive vehicles, and their first V6 not based on a V8. It was designed as a larger, more powerful option to the Mitsubishi 3.0 V6 in the minivans and debuted in 1990....

 as well as a new 3.5 L SOHC V6
Chrysler SOHC V6 engine
The single overhead cam V6 introduced in 1993 was a major advancement for Chrysler. It was derived from Chrysler's first homegrown front-wheel drive V6, the Chrysler 3.3 engine, and remains in production today. The SOHC V6 is likely to be replaced by the Chrysler Pentastar engine by 2013.There...

, and a four-speed automatic transmission
Automatic transmission
An automatic transmission is one type of motor vehicle transmission that can automatically change gear ratios as the vehicle moves, freeing the driver from having to shift gears manually...

.

Cars that used the first revision of the LH platform include:
    • 1993-1997 Chrysler Concorde
      Chrysler Concorde
      The Chrysler Concorde was a large four-door, full-size, front wheel drive sedan produced by Chrysler from 1993 to 2004. It replaced the Chrysler Fifth Avenue on the lineup. One of Chrysler's 3 original Chrysler LH platform models derived from the American Motors/Renault-designed Eagle Premier, it...

    • 1993-1997 Dodge Intrepid
      Dodge Intrepid
      The Dodge Intrepid is a large four-door, full-size, front-wheel drive sedan car model that was produced for model years 1993 to 2004. It was mechanically related to the Chrysler Concorde, Chrysler LHS, Chrysler New Yorker, Eagle Vision, and also the 300M sedans...

    • 1993-1997 Eagle Vision
      Eagle Vision
      The Eagle Vision was a full-size, front-wheel drive sedan, marketed as a sports version of the Chrysler LH platform, produced from 1993-1997. It was sold by the Eagle division of the Chrysler Corporation, replacing the AMC/Renault-designed Eagle Premier...

    • 1994-1996 Chrysler New Yorker
      Chrysler New Yorker
      The Chrysler New Yorker was a premium automobile built by the Chrysler Corporation from 1939–1996, serving for several years as the brand's flagship model. A model named the "New York Special" first appeared in the 1930s...

    • 1994-1997 Chrysler LHS
      Chrysler LHS
      The Chrysler LHS is a full-size, front wheel drive car based on the Chrysler LH platform.Having been praised throughout its production run as offering a blend of high-end features, along with solid performance, the LHS was marketed as a rival to other cars costing thousands more...



Originally, Chrysler came close to giving Plymouth
Plymouth (automobile)
Plymouth was a marque of automobile based in the United States, produced by the Chrysler Corporation and its successor DaimlerChrysler.-Origins:...

 a variant of the LH platform, called the Plymouth Accolade. However the Accolade never made it into production.

All versions shared a 113 inches (2,870.2 mm) wheelbase. Compared to the other three versions, the LHS and New Yorker had different rear bodywork providing 5 inches (127 mm) more overall length, and a revised rear seat providing more leg room.

Second generation (1998-2004)

The second generation LH cars used the 2.7 L DOHC V6
Chrysler LH engine
The LH engine was a series of V6 engines developed by Chrysler Corporation for its LH platform cars. It is a 60-degree V6 designed for front-wheel drive applications, later adapted to rear-wheel drive ones...

 and 3.2 L SOHC V6
Chrysler SOHC V6 engine
The single overhead cam V6 introduced in 1993 was a major advancement for Chrysler. It was derived from Chrysler's first homegrown front-wheel drive V6, the Chrysler 3.3 engine, and remains in production today. The SOHC V6 is likely to be replaced by the Chrysler Pentastar engine by 2013.There...

 as well as an updated version of the older 3.5, and a four-speed automatic transmission
Automatic transmission
An automatic transmission is one type of motor vehicle transmission that can automatically change gear ratios as the vehicle moves, freeing the driver from having to shift gears manually...

.

Cars that used the second revision of the LH platform include:
    • 1998-2004 Chrysler Concorde
      Chrysler Concorde
      The Chrysler Concorde was a large four-door, full-size, front wheel drive sedan produced by Chrysler from 1993 to 2004. It replaced the Chrysler Fifth Avenue on the lineup. One of Chrysler's 3 original Chrysler LH platform models derived from the American Motors/Renault-designed Eagle Premier, it...

    • 1998-2004 Dodge Intrepid
      Dodge Intrepid
      The Dodge Intrepid is a large four-door, full-size, front-wheel drive sedan car model that was produced for model years 1993 to 2004. It was mechanically related to the Chrysler Concorde, Chrysler LHS, Chrysler New Yorker, Eagle Vision, and also the 300M sedans...

    • 1999-2001 Chrysler LHS
      Chrysler LHS
      The Chrysler LHS is a full-size, front wheel drive car based on the Chrysler LH platform.Having been praised throughout its production run as offering a blend of high-end features, along with solid performance, the LHS was marketed as a rival to other cars costing thousands more...

    • 1999-2004 Chrysler 300M
      Chrysler 300M
      The Chrysler 300M is a sports sedan produced by Chrysler from 1999 to 2004. Chrysler Corporation revived the 300 name on the 300M. This time it was a front-wheel drive, V6 engined car using the Chrysler LH platform. While not technically part of the famous "letter series" of the 1950s and 1960s,...

    • 2002-2004 Chrysler Concorde
      Chrysler Concorde
      The Chrysler Concorde was a large four-door, full-size, front wheel drive sedan produced by Chrysler from 1993 to 2004. It replaced the Chrysler Fifth Avenue on the lineup. One of Chrysler's 3 original Chrysler LH platform models derived from the American Motors/Renault-designed Eagle Premier, it...

       Limited


When Chrysler discontinued the Eagle brand after 1998, the Chrysler 300M was introduced as a replacement for the Vision. All models again shared a wheelbase of 113 inches (2,870.2 mm). The 300M was several inches shorter than Concorde, Intrepid, & LHS, due to shorter front and rear overhangs in order to bring the car's length under 5 meters.

Media

One episode of Robert Reich
Robert Reich
Robert Bernard Reich is an American political economist, professor, author, and political commentator. He served in the administrations of Presidents Gerald Ford and Jimmy Carter and was Secretary of Labor under President Bill Clinton from 1993 to 1997....

's 1992 PBS miniseries Made In America focused on the then-yet-to-be-released LH's development and its role in reversing Chrysler's flagging fortunes. A camouflaged Dodge Intrepid is seen being put through the paces at Chrysler's test track, along with concept sketches and other behind-the-scenes activities.

External links

  • AllPar.com page about Dodge Intrepid, Eagle Vision, and Chrysler Concorde, 300M, New Yorker, and LHS

.

See also

  • Chrysler platforms
  • Lamborghini Portofino
    Lamborghini Portofino
    The Lamborghini Portofino was a concept car developed for Lamborghini by Kevin Verduyn, one of Chrysler's chief designers. Introduced at the 1987 Frankfurt Auto Show, it was a fully functional, four-door, four-seat sport sedan....

  • Eagle Premier
    Eagle Premier
    The Eagle Premier was a full-size automobile developed by the American Motors Corporation and Renault partnership, inherited by Chrysler Corporation when it acquired AMC in 1987, and marketed from 1987 through 1992...

  • Dodge Monaco
    Dodge Monaco
    The Dodge Monaco was a full-size automobile built and sold by the Dodge division of the Chrysler Corporation between 1965 to 1978, and 1990 to 1992.-A Grand Prix competitor:...

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