On this episode of  "Head to Head" You will see two of the hottest American sports cars battling each other on the race track - the 2013 SRT Viper GTS vs the 2012 Chevrolet Corvette ZR1. Under the hood of the Viper is hiding a 8.4 liter OHV V-10 engine with 640 horse power, quite bigger than the 6.2 liter Supercharged OHV V8 Corvette engine producing 638 horse power. Check out the video to see the pro race driver Randy Pobst testing these two American sports monsters. Watch, Enjoy & Share!
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