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The Mitsubishi Starion is a three-door, turbocharged four-cylinder rear-wheel drive five-seat sports car that was in production from 1982 to 1990. It was also marketed in North America as the Conquest under the Chrysler, Dodge, and Plymouth names. Although preceded by earlier turbocharged designs such as the Saab 99 (1978) and the Mitsubishi Lancer 2000 Turbo, it is considered to be one of the originators of the modern Japanese turbocharged performance automobile genre.
[] Background
The Starion's appearance in 1982 occurred during a period in which a number of Japanese Grand Tourer (GT) sports cars were increasing in popularity. It was launched to a marketplace against the other Grand Tourers of the era, including the Porsche 924 Turbo, Nissan 300ZX Turbo, and the Toyota Supra Turbo. The Starion's turbocharged four-cylinder engine enabled it to be very competitive.
Despite poor sales figures, the Starion was received well by the motoring media who typically saw it as the harbinger of the turbocharger era.
During production, the Starion was produced in both a narrowbody (sport body) and widebody (or "R" for Rally body) design. The design proved durable and few changes were made between models, with only simple improvements demarking the change from one model to the next. In the United States market, there was only one major change when the car was upgraded to the ESI-r (Conquest TSi) model; this model features an intercooler and five-bolt wheels replacing the four-bolt wheels it had inherited from the rear wheel drive Mitsubishi Galant Lambda.
Without any obvious flaws, the design was not without drawbacks. At the time, Mitsubishi opted for the Mitsubishi Astron engine with a single-camshaft head (SOHC) rather than the dual cam head, and also for a throttle-body fuel injection setup which mixed the fuel with the air prior to entering the plenum chamber.
The design was somewhat unusual however, and it didn't have widespread appeal. Probably because of the unusual design, the Starion never brought Mitsubishi the success it desired in the marketplace to match the vehicle's success on the racing circuit.
Production ceased entirely by 1990, and its successor, the GTO was fitted with the mechanicals of the recently demonstrated Mitsubishi HSX Sports Coupe concept vehicle.
Many of the performance features of the Starion were integrated into later vehicles and can be found in the Mitsubishi Lancer Evolution racing vehicles, in the Mitsubishi Galant VR-4, and the Mitsubishi Eclipse.
[] Overview
The Starion used a traditional front-mounted engine with rear-wheel drive layout, which most sports cars use. Many came with a limited slip differential and anti-lock brakes (single channel, rear wheels only) as standard features. The entire chassis was derived from the previous high performance variant of the Mitsubishi Sapporo or Galant Lambda sports coupe, with a MacPherson strut front suspension and an independent rear suspension.
Engine capacity was 2.0 L with the now well-known 4G63 2.0 L engine, subsequently featured in the Mitsubishi Lancer Evolution series of racing automobiles. However, American customers received the larger G54B 2.6 L engine but without any additional horsepower. Neither was DOHC. After 1987, European Starion models were also fitted with the 2.6 L engine, as was the GSR-VR for Japan. Both engines featured computer controlled fuel injection and turbocharging.
Horsepower varied between 150 and 197 bhp depending mostly upon the turbocharger that was fitted, the presence of an intercooler, and whether the 8-valve or 12-valve head was used.
A naturally-aspirated version known as the GX was also built for the Japanese market, however production ceased in 1983 due to low sales figures. The Starion GX had no electric windows, no air conditioning, no independent rear suspension, no fuel injection and did not have power-assisted steering.
Seating was a 2+3 arrangement, although the rear seats are not too suitable for large adults. The front seats were adjustable for lumbar, angle, knee support, position and featured variable-angle side-braces.
One of the more unusual features was that the seatbelts were located in the doors for the driver and front passenger, and some American and European models featured electrically operated seatbelts.
A five-speed manual transmission was standard in most models, however, an automatic transmission was sold as an option in some markets.
The drag coefficient was around 0.32; quite efficient for the era, and although quite angular, the aerodynamics in general were exceptional at the time.
[] Trim levels
Trim levels varied from country to country, however leather seats were common in most countries.
[] Models
A number of models existed throughout the world during 1982 to 1990.
Australia - 2.0 L 4G63 engine. Australian vehicles were mostly similar to the European TURBO specification. The J codes below denote the model version, and are found on the Australian Vehicle Information Plates.
* JA - 1982–1984
* JB - 1984–1985
* JD - 1985–1987
Japan - 2.0 L 4G63 engine, apart from GSR-VR which has 2.6 L 4G54 engine.
The Japanese Domestic Market had a large range of Starions to choose from.
* GX - 1982–1983 (non turbo)
* GSR-I,GSR-II,GSR-III, GSR-X, - 1982–1984
* GSR-II, GSR-III,GSR-X,GSR-V - 1985–1986 - can be distinguised from the earlier starions by driving lights in the front bumper
* GSR-V - 1986–1987 - some had Sirius Dash engine
* GSR-VR - 1987–1988 (widebody)
The Roman numeral after 'GSR' denotes the vehicle specification. Some examples can be found below:
* GSR-I - base model
* GSR-II - power steering and electric windows
* GSR-III - improved audio system, trip computer system, digital dash cluster, and air conditioning.
* GSR-X - leather interior replaced the cloth, climate control, air conditioning, cruise control
United States - 2.6 L G54B engine.
Mitsubishi
* LS
* ES
* LE
* ESI-R
Chrysler/Dodge/Plymouth
* TSi
* Technica (this was a flatside package not a model)
Europe
* EX - luxury version
* TURBO - base model
With the exception of Australia, many models were available as either narrowbody or widebody shell styles.
[] Conquest
The Conquest was a version of the Starion sold by the Chrysler Corporation from 1984 to 1989. The Conquest was sold under both the Dodge and Plymouth names (much like the Dodge/Plymouth Colt twins) until 1986. Chrysler sold the Conquest under its own name from 1987 until 1989. The Conquest was replaced with the Dodge Stealth as the Starion was replaced with the Mitsubishi 3000GT.
[] Motorsports
The Starion was a prominent competitor in motorsports up to International level during the 1980s and performed well on the circuit in Group A and Group N races of the era. Although not that commonly used in modern motorsports, a number are still raced on both circuit and in special stage rally events, usually by privateers.
[] Starion 4WD
The Starion was equally successful offroad, and found victory in Group A World Rally Championships and Asia Pacific Rally Championships, during 1987 and 1988. An all wheel drive version of the Starion was also produced for Group B specifications (one of the few Japanese automobile manufacturers to enter this class), but after an encouraging start as a prototype was not homologated before the FIA banned Group B cars for safety reasons. The Starion was converted to all wheel drive by adding a strengthened transfer case from a Pajero behind the transmission. This configuration allowed the engine to be situated well back in the chassis, for improved front/rear weight distribution compared to the Audi Quattro, whose configuration required the engine to be far forward in the car. Although the wheelbase did not change, the use of regular headlights rather than the production model's pop-up headlights allowed the nose to be six inches shorter, as well as saving several pounds in weight. Further weight was saved by the use of carbon fiber for the driveshafts, sumpguard, and lower arms of the suspension, and fiberglass for the hood (bonnet), tailgate, door skins, fenders, bumpers and spoilers, resulting in a final weight of less than 1,000 kg, lighter than the Audi Quattro. The car was developed with a turbocharged and intercooled version of Mitsubishi's 2.0 L fuel injected engine, but the final goal was to use a turbocharged and intercooled 350 hp (261 kW) version of the Sirius Dash engine that Mitsubishi announced at the 1983 Tokyo Motor Show, which switched electronically at 2500 rpm from one inlet valve per cylinder to two. The car was campaigned for Mitsubishi by Team Ralliart in Essex, Great Britain, under rally veteran Andrew Cowan and engineer Alan Wilkinson, who had developed the Audi Quattro for Audi Sport UK.
[] Major results circuit
International
* 1984 Australian Production Car Champion
* 1984 SCCA Nelson Ledge 24 hours Race 1st
* 1985 British Saloon Car Championship 2nd in championship
* 1985 Guia Race in Macau Grand Prix 3rd
* 1985 Guia Race in Macau Grand Prix 4th
Japan
* 1985 Inter TEC (JTC) 4th
* 1986 SUGO Group A 300 km Race (JTC) 3rd
* 1986 Race de Nippon Tsukuba (JTC) 1st
* 1986 Suzaka 300 km Race (JTC) 2nd
* 1986 All Japan Touring Car Championship 2nd in championship
* 1987 All Japan Touring Car Race (JTC) 1st
* 1987 GHiland Touring Car 300 km Race (JTC) 1st
* 1987 All Japan Touring Car Championship 3rd in championship
* 1988 Hiland Touring Car 300 km Race (JTC) 2nd
JTC=All Japan Touring Car Championship
[edit] Major results rally
Starion 4WD (1984–1986)
* 1983 Paris-Dakar Rally 1st in Experimental Class
* 1984 Milles Piste Rally (French Rally Championship) 1st in Prototype Category
* 1986 Hong Kong - Beijing Rally 2nd
Starion Turbo (1987–1988)
* 1987 Qutar Rally (Middle East Rally Championship) 3rd
* 1987 Kuwait Rally (Middle East Rally Championship) 3rd
* 1987 Rally Cote d' Ivoire (World Rally Championship) 4th
* 1987 Himalayan Rally 1st
* 1987 Oman Rally (Middle East Rally Championship) 3rd
* 1988 Scottish Rally (British Rally Championship)
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