The SRT Viper, formerly the Dodge Viper (before the 2013 model year) is a two-seat sports car manufactured by Doge. Production first started in 1991, and although Chrysler almost ended it because of financial difficulty, in 2010 a new car was announced for 2012. All the models, including the Viper GTS-R, are powered by a V10 engine with manual transmission. Originally, the Viper was conceived at Chrysler’s Advanced Design Studios and revealed at the North American International Auto Show in 1989.
The SRT Viper GTS-R is equipped with an 8.0-liter V-10 engine restricted by the series to 480-490 horsepower. The car reaches a top speed of 185 mph, and is fueled by E85 as part of the ALMS’s Green Initiative program. The XTrac Transaxle mounted in the rear saves more weight than a standard transmission. The gear changing is made via paddle shifters located on the steering wheel. The GTS-R also has a tubular header exhaust system and a fuel- E85-110-liter tank.
Reliable, high-performance brakes are essential for a successful car in road racing. The SRT Viper GTS-R has an entire braking system provided by Brembo, an acknowledged world leader in the automotive disc brake technology. Each component of the breaking system is designed for endurance racing, and that is why it saves overall weight. The car has 6 piston caliper in the front and 4 piston in the rear, 2 piece cast iron rotors, 380mm in the front and 330mm in the rear. An extensive, fully-ducted system of cooling provides maximum air flow in order to reduce fade and keep the brakes cool.
Handling and Suspension
Because of its width, the suspension on the Viper GTS-R is unique. The 205 centimeters wide car rolls on Michelin Slick Racing Tires, 31/71-18 in the rear and 30/68-18 in the front. After partnering with Motegi Racing this season, the Viper received Motegi Racing aluminum forged wheels with center lock, 18”x12.5” in the front and 18”x13” in the rear.
Although the SRT Viper GTS-R has an incredible performance, its design is still work in progress. Most of the guiding principles that were essential in the creation of the fifth-generation production version are still used for this model. It took about six months until the car was constructed. After the on-track testing, adjustments were made to the construction and overall design, development that still continues today. The unveiling took place at the New York Auto Show in April 2012.
The SRT Viper GTS-R is designed so it ensures the safety of its driver. The cockpit is outfitted with the latest Sabelt safety systems and houses all the communication and electronic devices used for data acquisition, including a camera used for rearview, two-way radio and an on-board data acquisition system. The removable carbon fiber steering wheel has numerous buttons that aid the driver. The seatbelts are designed for safety and weight-saving and have an on-board fire suppression system.