Preview: Hennessey renders the 2013 SRT Viper Venom 700R, 1000 Twin Turbo

Article by Christian A., on October 2, 2012

Hennessey has built an upcoming package for the all-new 2013 SRT Viper. The tuner came up with renders for two various stages of upgrade, which boost the factory’s 8.4-liter V10′s 640 hp and 600 lb-ft of torque figures. The prices for the packages weren’t released yet but the 700R will deliver 725 hp and 695 lb-ft of torque, enabling the Viper to go from zero to 60mph in only 3.1 seconds.

The upgrade is quite extensive, giving the short block some high-flow cylinder heads and numerous bolt-ons like the long-tube headers, high-flow catalytic converters, a 3-inch exhaust system, and a K&N air filter.

This package would have a three-year, 36,000-mile limited warranty just like most Hennessey products. Hennessey Performance will drive the 2013 SRT Viper to a whole new level with its 1000 Twin Turbo engine upgrade package.

The base model delivers 725 hp but with the package, the output could go as high as 1,120 hp and 1,092 lb-ft of torque. It offers a totally rebuilt long block with a couple of Precision ball-bearing turbochargers. The twin-turbo upgrade is only available with a one-year, 12,000-mile limited warranty.

Experience is the best teacher – this phrase best describes how the SRT Viper improved for model year 2013, racing against the Viper GTS-R and Competition Coupe models.

The 2013 SRT Viper’s chassis received numerous upgrades including its now stiffer structure that provides 50 percent of its torsional rigidity. It also features a new aluminum “X” brace beneath its hood serving as a connector between the suspension pickup points and the magnesium cowl super casting, and at the same time, it helps improve torsional rigidity and stiffness. Another major upgrade is its new aluminum impact beam (at the front of the car) that contributes to its overall mass savings and improved weight distribution, and provides “excellent crashworthiness”.

New materials had to be introduced into the chassis in the upgrading process thus the need for structural modifications. Thickness in some areas of the chassis had to be reduced and some components were reshaped to achieve structural rigidity. These modifications helped reduce overall weight by approximately 100 pounds.

To improve tow control and dynamic stability, the rear suspension has been re-engineered so that the toe link is moved in front of the axle.

GTS models also feature a new, driver selectable two-mode suspension system with Bilstein DampTronic Select shock absorbers in street and track settings.

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