1170rwhp Twin Turbo Street Viper 9.47 on drag radials

Heffners twin turbo viper goes 9.47@147 on drag radials http://www.gsmvro.com

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Street Dodge Viper twin turbo 1700hp drag race.
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Viper on drag radials runs 10.28's 1/4 Mile
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2000 HP Twin Turbo Viper 7.83@175.98 mph
Heffner's Twin turbo Viper at Bradenton December 2007 runs 7.83@175.98 mph http://www.gsmvro.com




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