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Watch Hennessey Build Their 1,000-HP Hellcat In Timelapse Video

Watch Hennessey Build Their 1,000-HP Hellcat In Time Lapse Video

See how Hennessey makes their 1,000-horsepower Dodge Challenger SRT Hellcat in this new timelapse video.

The Hellcat is already a very powerful car, thanks to 707 hoses coming from its 6.2-L supercharged V8 engine. It’s also an engine that’s been used to power many other FCA vehicles, including several custom Wranglers, a Gladiator, the Jeep Grand Cherokee Trackhawk, and the upcoming Ram Rebel TRX.

But Hennessey looks at 700 horsepower and thinks that’s not enough. What this car needs is more power. So they offer a 1,000-horsepower upgrade package that pushes the Hellcat into skies unknown. And in their latest timelapse video, we find out how Hennessey does it.

First, you’ll need a Challenger Hellcat. Simple enough to do if you’ve got a spare $70,000. Next, take it to Hennessey where they will remove the cylinder head cover and the exhaust. This allows Hennessey’s team of mechanics to install new stainless steel long tube headers as well as high-flow catalytic converters.

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After that, Hennessey installs a set of new high-flow fuel injectors, and then the new 4.5-L supercharger system gets placed on top. It's almost twice as large as the old supercharger and is where most of the extra power comes from.

Finally, a new high-flow supercharger bypass valve is installed, a new high-flow air induction manifold is installed, and Hennessey's HPE engine management upgrade is clicked into place.

After that, everything is put back together and the car is placed on the dyno. That where we find out just how much power this puppy makes.

As it turns out, the HPE1000 Hellcat makes 834.3 hp at the rear wheels along with 736.3 lb-ft of torque. That represents about 17% power loss to the transmission--about par for the course for Hennessey.

You can see how well the 1000-horsepower Hellcat performs in Hennessey’s other video. Needless to say, it makes a lot of noise. True adherents to the gospel of power will appreciate it.

NEXT: Watch Hennessey's 1000-HP Dodge Hellcat In Action

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