Heffner twin turbo Viper

This is a 1999 Dodge Viper GTS with a Heffner's performance twin turbo system. Full weight 3706lbs to be exact, using drag radials (street tires) running t88 turbos 17PSI 1300RWHP.

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Z06 getting pounded by Heffner TT Viper by nick a-bear
that viper is a killer





HAYABUSA VS TWIN TURBO VIPER
Good race!!





Worlds Fastest ALL MOTOR viper
Built by lingenfelter performance engineering. This 540CID beast runs a 9.48 1/4mile.





1100HP TT 2014 Viper battles 1000HP Turbo Foxbody mustang
Two absolutely insane machines battle it out! The video does no justice to how hard these cars accelerate. The fox is equipped with a built 331 running a massive turbo and the Viper is still on a factory stock bottom end running twin 67mm turbos! The first two races the Mustang was making just over 1000whp and the viper was on 11psi making roughly 1100whp. On the last race both cars cranked up the Boost! Mustang uknown, viper 14psi(1200whp)




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