The Hennessey Viper Venom 1000 Twin Turbo is an upgraded version of the Dodge Viper offered for sale as a whole car or as an upgrade by Hennessey Performance Engineering, also known as HPE. It comes in two variants, a coupe and a convertible. It has a theoretical maximum production run of 24 vehicles. HPE claims the Venom 1000 Twin Turbo is "The fastest and most powerful limited-edition street car in the world."As tested in 2006 by Motor Trend magazine, the coupe variant weighed 3468 lb, cost $187,710, and had a 0.39 drag coefficient.
Viper Venom Engine
The stock 2003 Viper V10 motor puts out 500 brake horsepower (370 kW) and 525 foot pounds (712 N·m). HPE increases the output to about 1100 hp (the rear wheels receive 983.5[3] horsepower or 733 kW) and 1,100 ft·lbf (1,490 N·m) (rear wheels receive 981 ft·lbf or 1329 N·m) of torque with the following modifications:
* Engine displacement is increased via stroking to 522 CID (8.55 L) and the compression is lowered to 9.0:1 compression ratio
* Twin Garett ball bearing turbochargers
* A front-mounted air-to-air intercooler
Viper Venom Body
* VenomAero body modifications (front air dam, rear diffuser & spoiler)
* Lowered suspension
* 2-way adjustable coil-over shock absorbers
* Brembo upgraded braking system
* Adjustable traction control system
* Quaife differential
* Hennessey Venom 7R forged aluminum wheels (19x10 front, 20x13 rear)
* Michelin Pilot Sport 2 tyres: 275/30 YR19 front, 335/30 YR20 rear
Viper Venom Interior
* Limited edition leather interior with custom embroidery
* 5-Point racing harnesses
* HPE custom floor mats
* DVD navigation system
Viper Venom Legality
According to testing by Motor Trend in 2005, the Venom failed California emissions testing due to excess carbon monoxide, but is legal in the other 49 states.
Performance Characteristics
AccelerationHPE Claimed
* 0-60 mph: 2.72 s
* 0-100 mph: 5.51 s
* 0-150 mph: 10.0 s
* 0-200 mph: 19.6 s
Top Speed: 255 mph (410 km/h)HPE Claimed
Road & Track 0-200 Shootout (Sept 07) Article
* 0-60 mph: 2.6 s
* 0-100 mph: 6.8 s
* 0-150 mph: 11.8 s
* 0-200 mph: 20.3 s