Video: SpeedFactory Charger Sets LX-Platform World Record 1/4 Mile

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We don't often delve into straight-strip stuff, but this video of a modified but production-based 3,750-pound Dodge Charger R/T running 9.45 seconds at 145 mph in the quarter mile is well outside the ordinary.

The 9.453 second run is good enough to set the world record for production-based LX-platform cars in the quarter mile, and it certainly sounds like the beast it is. Powered by a GEN III 426 Hemi stroker engine with a Vortech V-7 supercharger, the car puts out over 900 horsepower--enough to shoot the hefty 3,750-pound monster to ludicrous speed. It wasn't easy getting there, however--previous test runs resulted in the mangled driveshaft pictured in the gallery above.

To get the relatively low 3,750-pound curb weight, SpeedFactory stripped the interior, making it pretty useless on the street despite being based on a production car. Still, at a nearly 400-pound weight savings over the stock vehicle, it's easy to understand why they did it.

For more Mopar LX-platform straight-strip goodness, check out our story on the Drag Pack Challenger--a specially modified factory drag racer, or check out SpeedFactory's all-aluminum Hemi 440 Challenger.


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Comments (3)
  1. Hi Guy's,
    Speedfactory’s R&D Charger ran a quarter mile in 10.354 seconds, with a trap speed of 137.39 mph at Silver Dollar Raceway in Reynolds, Georgia. According to records kept by the moderators, Speedfactory beat all previous quarter mile times set by actual production LX/LC-platform cars — modern Dodge Chargers, Challengers, Magnums and Chrysler 300Cs.

  2. The Vortech V-7 YSi-trim supercharger supports up to 1200HP with 78 percent efficiency,” said Gil Cormaci, director, sales and marketing for Vortech Engineering. “We are very pleased to be associated with SpeedFactory and Landmark Dodge Chrysler Jeep. The application of our YSi-trim compressor to this HEMI Charger was done with the highest expertise, resulting in this impressive time and speed.”

  3. They've gone straight to plaid! (Sorry, couldn't resist, considering the "ludicrous speed" reference!)
    That is quite possibly the meanest sounding new Charger around. Is it on slicks? I'd be amazed if a 900hp car could launch like that on street tires?

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