( http://www.TFLcar.com ) The brand new 2013 SRT Viper and GTS is the fastest Viper ever with 640 horsepower and a claimed top speed of 206 MPH. According to Chrysler it is an American original super car. Welcome to TFLcar's Viper week. For the next 5 days we'll be featuring a new Viper video every day. Today we continue with a 0-60 MPH first drive review of the new Viper that tries to answer a few simple questions....does the new Viper still pack a lethal punch and has the newly formed SRT brand sharpened the Viper's fangs? Check out the video to find out now.