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2003 Dodge Viper Competition Coupe: Racing Only

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The Competition Coupe, using a composite body, was based largely on the Dodge Viper GTS/R concept car shown at the 2000 North American International Auto Show. It was based on the Dodge Viper SRT-10, but was created as a pure racing car (not street legal) for Viper owners, using existing SRT-10 parts to minimize cost - with initial pricing at $100,000, including a window net, 27-gallon fuel cell, racing slicks, differential cooler, and ducted brakes.

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Competition Coupe pushed out 20 more horsepower (520 bhp) and 15 more lb.-ft. of torque (540 lb.-ft.) than the street-going version, thanks to a revised camshaft and exhaust. It also had better driver and engine cooling, a differential cooler, trap door oil pan and low-inertia flywheel. Anti-lock brakes were modulated by an electronic front-to-rear braking distribution control.

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Dodge added a backbone FIA-legal safety cage with engine bay bracing to the production car's backbone tubular steel space frame. A single competition seat with six-point driver restraint system, driver-activated fire-suppression system and electronic dash and data acquisition system round out the racing modifications.

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The double wishbone-type suspension was upgraded with spherical bearing control arm attachments, two-way adjustable coil over dampers and a driver-adjustable blade-type rear anti-roll bar. Three-piece aluminum wheels were shod with Michelin 315/30ZR18 front and 355/30ZR18 rear racing slicks.

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Exterior aerodynamic enhancements include front splitter, larger rear diffuser and adjustable rear wing. Composite body panels, several of which are carbon fiber, are based on the Viper GTS/R Concept Car.

Performance targets were 3.8 second acceleration from 0 to 60 mph, a top speed of 185 mph, lateral acceleration of 1.25g, and a curb weight under 3000 pounds. Production began at the Conner Avenue Assembly Plant (Detroit) in late 2002.

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25 Years of Dodge Vipers at Allpar

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How Dodge Vipers are builtPlastic and resin body partsConner Avenue Plant2013 Viper Event


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