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





Worlds Fastest Viper on Pump Gas - Lee Saunders 7.99
Lee Saunders made an exhibition pass at the 2008 Pump Gas Drags on April 11, 2008 setting a new record for the fastest pass on Pump Gas in a Viper - 7.99 @ 183MPH. This Twin 90mm setup was built by Heffner Performance





Heffner Performance 1700 whp Twin Turbo Viper GTS 8 second 1/4 mile. Street driven.
Heffner built twin turbo Dodge Viper GTS first time out...runs 8's





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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