• Aug 22nd 2008 at 2:55PM
  • 31
Click above for more high-res shots of the Hennessey SRT600

Hennessey Performance is apparently excited that the Dodge Challenger is finally here. They now offer a myriad of performance upgrades for the Challenger SRT8 including naturally aspirated versions of Chrysler's 6.1L VEMI V8 that increase power up to 575 horsepower, as well as supercharged and turbo versions producing up to 725 hp. There's clearly a power upgrade for everyone, but the most impressive appears to be the Challenger HPE600 Turbo, also known as the SRT600, which Hennessey reports has ripped off a quarter mile time of 11.9 seconds at 121 mph. The company called the car's launch during the run "conservative", though it was wearing optional Nitto Drag Radial tires at the time.

Of course, any big bump in power should be accompanied by equal improvements to the suspension and brakes, and Hennessey will also fit your car with a KW adjustable coil-over suspension, larger anti-roll bars, new bushings and unique StopTech brakes. The cost of a complete Challenger HPE600 Turbo package (including Hennessey embroidered floor mats but not the cost of the donor car, of course) is $74,950, though one can opt for just the engine upgrades and be liberated of only $29,500. In total you could be spending well north of $100,000 on a 725-hp Challenger if you find Hennessey's approach appealing, but look at this way, you'd probably be the only one.

Check out high-res pics of the Hennessey Challenger HPE600 Turbo in the gallery below and video of its quarter-mile run after the jump.

[Source: Hennessey]


620 HP Hennessey Challenger Hits the Streets with Eleven Second Quarter Mile Force

SEALY, Texas – Hennessey Performance Engineering (HPE) is well known for its ability to take fast Mopars-such as the Dodge Viper-and make them go faster. The all-new Challenger SRT8 has just hit the streets with its 6.1L Hemi V-8 and in traditional fashion HPE already has performance upgrade packages available. Despite packing 425 hp, HPE knew that many Dodge Challenger SRT8 buyers would want improved power and performance to make their new hot rods even hotter. Now Challenger owners can have Viper and ZR1-like power in the form of 620 hp and 650 lb-ft of torque.

HPE offers numerous packages for the new Challenger including naturally-aspirated versions with 500, 530 and 575 horsepower or forced induction applications (either turbocharged or supercharged) producing 600 to 725 horsepower. The most popular package is expected to be the Hennessey HPE600 SC that is now available directly from HPE as well as from its growing dealer network, including Ringgold Dodge of Ringgold, GA.

While HPE set out to improve the all-new Challengers' straight line acceleration, the company also developed track tested upgrades to help improve the car's handling and braking. "The Challenger does a lot of things very well and the factory SRT8 is a great car to start with," said company founder, John Hennessey. "Unfortunately, it's a big car weighing over 4,000 lbs. So, while we can't remove 800 lbs from the car, we can add another 195 hp."

In early testing a Hennessey Challenger HPE600 Turbo recorded a quarter mile time of 11.9-seconds @ 121 mph on optional Nitto Drag Radial tires with a conservative launch. In addition, the HPE600 also spent time on the Carolina Motorsports Park road course where HPE's suspension upgrades (including KW adjustable coil-over shocks/springs, larger anti-roll bars, and unique bushings) were track tuned. With the significant increase in power and handling, HPE also has available for the Challenger a set of vehicle specific StopTech brakes replete with lightweight rotors.

Noted below are details of the Hennessey HPE600 Turbo package now available for 2008 – 2009 Dodge Challenger SRT8 models:
HPE600 Turbo Upgrade
• High-flow ported & polished aluminum cylinder heads
• Lowered compression ratio (from stock 10.3:1 to 9.6:1)
• Garrett ball bearing turbocharger
• Handmade stainless-steel turbo headers
• Single 44 mm billet-aluminum wastegate
• Stainless-steel 3-inch diameter dual exhaust system
• Front mounted air-to-air intercooler
• 3.5-inch polished inlet tube with integrated blow-off valve
• High flow air filter
• Upgraded fuel injectors
• Billet aluminum fuel rails
• Upgraded fuel pump system
• Hennessey and HPE600 exterior badges
• Hennessey HPE600 "Hockey Stick" graphics package
• Hennessey embroidered floor mats
• Serial numbered dash plaque in interior and engine compartment
• Hennessey embroidered front seat head rests
• Hennessey / HPE600 on tachometer and speedometer
• All necessary gaskets and fluids
• Professional installation
• One year limited warranty
• Half day of driving instruction at Lonestar Motorsports Park (adjacent to the HPE facility)
Cost: $29,500

Available Options:
• Transmission upgrade with shift kit
• KW adjustable coil-over suspension upgrade (1.5 inch lowered ride height)
• StopTech front brake system with 6-piston front calipers and 14.0-inch AeroRotor lightweight rotors
• StopTech rear brake system 4-piston calipers with 13.1-inch AeroRotor lightweight rotors
• Hennessey polished 5-spoke billet aluminum wheel upgrade (20x9.5-inch front, 20x11-inch rear)
• Michelin Pilot Sport PS2 275/45ZR20 tires
• Nitto Drag Radial 305/40R20 rear tires

2009 Dodge Challenger SRT8 with the complete HPE600 Turbo upgrade starts at $74,950.
About HPE - Hennessey Performance Engineering (HPE) has been in business for over 18 years and operates from a brand new 24,000 square foot facility located at Lonestar Motorsports Park. HPE is located about 45 minutes west of Houston, Texas on Interstate 10. The HPE facility includes:
• Quarter-mile dragstrip
• 1.4 Mile test track
• 20 Service bays
• 15 Vehicle lifts
• Secure indoor storage
• Engine assembly room
• Cylinder head porting/machining shop
• Welding and metal fabrication shop
• Dynojet 248C chassis dynamometer rated to 1800 rear wheel hp
• Chassis dynamometer wideband air/fuel analyzer
• Showroom & customer waiting area

HPE can be contacted at 979.885.1300 or online at HYPERLINK "http://www.HennesseyPerformance.com" www.HennesseyPerformance.com .

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    • 1 Second Ago
      • 7 Years Ago
      Okay, I like the Challenger. However, I have a better idea for going fast. Buy a stock Challenger and enjoy. Go buy a Suzuki Hyabusa or Kawasaki ZX14 for between 10K and 12K depending on the dealer. Practice your launch, get times in the 9's approaching 150mph. What is the total investment? Maybe 52K-54K assuming you bought an SRT 8 version. No brainer.
      • 7 Years Ago
      How did Hennessey steal a Challenger that fast?
        • 7 Years Ago
        Must have had a busy week chop-shopping some clueless viper owner's cars.
      • 7 Years Ago
      Anyone know what wheels those are?

      They would look so at home on my Mustang...
        • 7 Years Ago
        I asked him on a chellenger board I'll come and post when he lets me know.

        Nice looking machine obviously at a trap of 121 mph that has mid low 11s in it.

        I wish I had the coin.. I just got my canadian challenger 500 last week.
        • 7 Years Ago
        Probably belong to another customer...
        • 7 Years Ago
        he said they are custom made 3 pce, lighter than stock and 20X12 rear, 20X9 front
      • 7 Years Ago
      Now that's what the f*** I'm talking about! Gimme a turbo over a blower any day. It looks pretty effing sweet too. Makes me wanna get a Challenger.
      • 7 Years Ago
      He is still a crook no matter how much the automotive press ignores his dumb ass...

      There was a guy who showed up to a local car meet with a hennessey viper, and everybody pretty much laughed him out cuz they kept asking him how long it took and how much was stolen etc...

      F that guy
      • 7 Years Ago
      We've said it before and we'll say it again......

      • 7 Years Ago
      Doubt it will ever happen, but some 'mild' tweaks for the 3.5 V6's would be welcome. 300HP is not unreasonable out of those 3.5's. Transmission would be the only hold back, but a shiftkit could fix that :D
      • 7 Years Ago
      They manage to get the same 1/4 mile time out of the Jeep
      • 7 Years Ago
      6.1 liter HEMI ...turbo .. 620 hp and only 11.9? ..."conservative launch"? with drag radials ...please ...and people were bashing the $100,000 shelby super snake ...now i love the challenger style ..the outside only ..interior not so much...but its way too heavy ....so for $100,000 u only get an 11.9 car? id rather have an 03 cobra ..slap a pulley and tune and beat this all day ...with only a 4.6 litre 281ci ...lets hope the camaro can be a little more competitive ...
      • 7 Years Ago
      725 horse just to barely push it into the 11's? Puh-lease. I run lower e.t.'s than that in my Neon SRT-4 with less than half the horse power and likely twice the gas mileage. My buddy runs 10's in his with about 500 hp.

      Can't we move on from these bloated, heavy, over powered turds?
      • 7 Years Ago
      Impressive numbers if you like to go straight sitting on LOTS of mass. I love retro and admire the Challenger for what it is, but the lack of a manual tranny and the hefty weight mean I'm not spending my bucks on a Dodge. I could care less if it is fast, any car that doesn't dance just can't be my partner.
      • 7 Years Ago
      wow once again hennessey is ripping more people off. There is a guy in orlando who can do all of that for about 20k less and have as good if not better quality. not to mention he isnt a proven rip off like john hennessey. all the stuff he has done for 75k could be done with less than 15k if not way less. feel sorry for the fool who falls for that....
        • 7 Years Ago
        I forgot that autoblog was a Hennessey jock sniffer
        • 7 Years Ago
        thanks for the info. I just purchased a challenger and was looking to put in a supercharger. I live in Orlando. Could you provide me with the contact info on the person you spoke of?

        Really appreciated
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