Nearly every part on the car has been addressed.Įxotic materials are used on the car: The Drak Pak intake scoop is made of carbon fiber. How much of the car is raced “as delivered?” Leah Pruett’s 2018 Factory Stock Showdown winning car was originally built in 2008. Rear-end architecture: Solid-axle with Strange Engineering aluminum third-memberĪxle shaft diameter and spline count: 40-spline gun-drilled axlesįront suspension architecture: Coil-over shocks Gear ratios: First 2.10:1 Second 1.40 Third 1:1ĭriveshaft: 6061-T6 aluminum tube driveshaft with 1350-series U-joints Intake valves: 2.200-inch titanium or steelĮxhaust valves: 1.680-inch titanium or steelĮngine RPM operating range: Idle to 10,000 RPMĮxhaust system: 2-inch-diameter primary headers Rotating assembly materials: Forged steel Most powerful engine option: Supercharged 354-cid HemiĮngine architecture: 90-degree V-8, single cam, 2-valves per cylinderīore and stroke: 4.070-inches x 3.4-inchesīlock and head casting material: Aluminum block and heads Where customers buy one: From another racer In 2015 the cars were $99,426 for the 426-cid version, and $109,354 with the 354-cid supercharged engine. Retail price to buy: Not currently available for sale new. Number of cars built per year: 58 cars were built in 2015 The cars were then built at a facility under the direction of Mopar/SRT Engineering as ordered. Model year car(s) scheduled to be raced this year: 2015Ĭar build location: The cars began life as a bare Challenger body from FCA’s Brampton Assembly in Brampton, Ontario, Canada. Manufacturer’s stated goal when racing in NHRA Factory Stock Showdown: Win the drivers’ championship and support avid enthusiasts. To rectify that, we present a deep dive into the specs that make the supercharged Challenger Drag Pak cars capable of competing with the best from Chevy and Ford on the quarter-mile in the NHRA Factory Stock Showdown. And make no mistake, the closer the street car is to the race car-the more formidable the performance will be for all customers.īut when we talk about what the Drag Pak and Demon cars are, we’ve typically only shared the features you can see, who’s behind the wheel, what the timeslips say, and the role Top Fuel and Factory Stock racer Leah Pruett played in developing both. It also meant Dodge and Mopar were getting closer to offering the same kinds of hardware in their street and strip cars. When the ’18 Dodge Challenger SRT Demon’s 840 hp was announced, it made the car one of the most powerful street-legal vehicles you could buy at any dealership. Coincidentally, right around the time the 707-hp supercharged Dodge Challenger Hellcat was making news.Īs the Drag Pak’s horsepower went up, so did the street car’s. After a foray into the V-10 world with a Viper-powered Drag Pak, Dodge and Mopar got serious and developed a supercharged 354-cid Hemi package in 2014. Drag racers saw the makings of a new Super Stock car.Ī year after Dodge launched its Challenger, the ’09 Challenger Drag Pak debuted with three different naturally aspirated engines. Initially, some thought Dodge was building a collector car to attract attention. The first ’08 Dodge Challengers weren’t supercharged, but they were all offered in the high-performance trim SRT8 configuration with 6.1L Hemi engine. While all three generations of the engine are different, they all have proven to respond well to supercharging. Three-generations of the architecture have terrorized drag strips burning gasoline, alcohol, and even nitromethane. Depending on your perspective, the Hemi engine has always been loved or feared.
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