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Hennessey bouwt verdomd snelle auto’s, en de Dodge Challenger is hun laatste doelwit. Ze bieden een keur aan performance upgrades voor de toch al niet kinderachtige SRT8, en eentje hebben ze nu in een zinderende 11,9 seconden @ 194 km/h over de kwartmijl weten te jagen.
Ze hebben hiermee de snelste Challenger-kwartmijltijd ooit weten neer te zetten. Dit is nog niet eens de bruutste versie die Hennessey aanbiedt, die heeft namelijk een supercharger en 725 pk; het gaat hier om de Challenger HPE600 Turbo, die een gezonde 600 US-hp’s (zo’n 608 pk) op de achterwielen loslaat.
Naast de lekkere Garrett turbocharger plus intercooler wordt er nog een hele rits aanpassingen aan het motorblok gedaan, zoals high-flow aluminium cilinderkoppen, een lagere compressie (9,6:1 in plaats van 10,3:1) en een nieuwe brandstofpomp en injectoren.
De auto krijgt verder een RVS uitlaatsysteem van 7,5 cm dik en nog wat optische geintjes, zoals Hennessey-logo’s op het ex- en interieur en een plakkaatje met het serienummer op het dashboard. Het hele pakket bij elkaar kost $29.500, maar vervolgens kun je nog kiezen voor een transmissie-shiftkit, een StopTech remsysteem en Hennessey vijfspaakswielen met speciale Nitto dragbanden.
Hier een filmpje om even te illustreren hoe zo’n Challenger HPE600 Turbo precies uit de startblokken komt.
PRESS RELEASE
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 (20×9.5-inch front, 20×11-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 .
Tags: challenger, Dodge, Hennessey, Tuning, zwart
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