11.92 @ 121 mph!

Stock baseline = 546 rwhp. Add Hennessey 3 inch Stainless Manifold Back Exhaust System and Gain 29 rw hp for an incredible 575 rw hp!

May 16, 2003 - Terry Ruot's 2001 Venom 1000 Twin Turbo becomes the first V10 Viper to run in the 8's with an 8.93 @ 150 mph pass. Congratulations to our customer, Terry Ruot and Charter Plastics!

Hennessey Performance breaks its own record in the 1/4 mile for the Viper SRT10 by running 9.56 @ 148 mph. This time was backed up the same day with a 9.57 @ 152 mph pass.

Craig Salmond's 'Silver Bullet' Venom Twin Turbo is the world's quickest Ram SRT10. Not bad for a 5400 lb. pick-up truck!

World's Quickest & Fastest Viper SRT10: 9.65 @ 156.57 MPH.

2004 Ram SRT10 Venom 600: 538 RW HP & 535 RW TQ.

Ram SRT10 Venom 800 Twin Turbo: 11.26 @ 122.5 mph

Dale Robertson's 2004 Ram SRT10 with Venom Twin Turbo system lays down 842 rear wheel hp and 955 rear wheel torque.

2005 Ford GT puts down 515 rear wheel hp bone stock. This car easily makes over 570 hp at the flywheel from the factory.

Hennessey Stage 1 Package for the SRT8 gains 389 Rear Wheel HP & 389 Rear Wheel Torque. Kit includes Polished Cold Air Induction & Dual 3 in. Stainless Exhaust System.

Bone stock baseline dyno test with 1500 miles: 367 rear wheel hp & 373 rear wheel torque.

Craig Salmond's 2004 Ram SRT10 Venom Twin Turbo puts down 1020 rear wheel hp & 1079 rear wheel torque.

543 rear wheel HP & 495 rear wheel Torque.

2007 Shelby GT500 with Hennessey KR600 KING OF THE ROAD Upgrade. 541 rear wheel HP and 543 rear wheel Torque.

582 REAR WHEEL HP = 660+ FLYWHEEL HP.

World's Quickest Viper SRT10: 9.68 @ 151.67 MPH

2004 Dodge Ram SRT10 with Hennessey long tube stainless steel headers gains 40+ rear wheel hp and 50+ rear wheel torque.

2006 Hennessey Magnum SRT500: 438 Rear Wheel HP & 421 Rear Wheel Torque.

Bill Avery's 2004 Venom 650R: 606 rw hp & 605 rw torque.

Hennessey computer tune upgrade nets a 32 Rear Wheel HP gain over stock! Stock = 449.5 rw hp vs. tuned power of 481.3 rw hp.

Not only is our Venom Twin Turbo SRT10 the quickest and fastest Viper SRT10 in the world but it is also the quickest and fastest 6-speed Viper without NOS.

Hennessey Performance Engineering builds the world's first Viper SRT10 to run in the 9's.

1092 rw hp SAE

2003 Viper SRT10 Twin Turbo: 713 Rear Wheel HP & 757 Rear Wheel Torque

907 rw hp SAE

587 rear wheel hp (675 flywheel hp) and a 140 rear wheel torque improvement make the Viper SRT10 a truly impressive car to drive!

John Myrick's 2003 Venom 650R became the first Viper SRT10 in the 10's in the 1/4 mile. This includes a 10.76 pass on stock radials and a low ET of 10.44 @ 133 on slicks.

Terry Ruot's Charter Plastics Venom Twin Turbo makes history by setting the highest chassis dyno number ever recorded by a Viper: 1123 Rear Wheel HP! This was the actual number in 57 deg. F air. The SAE corrected dyno number was 1093 RW HP. The measured torque is estimated to be over 1200 lb-ft. at the rear wheels.

Check out the video!

Terry Ruot's 2001 Venom Twin Turbo established a new world record 1/4 mile time of 9.28 @ 147. Congratulations to our customers Terry Ruot and the entire Charter Plastics team!

2003 Viper SRT10 Heads/Cam/Headers/Exhaust: Gains 120+ Rear Wheel HP. This is the most powerful heads/cam package available for the 2003 Viper SRT10 - exclusively available from Hennessey Performance

Anthony Waller's 1998 Venom 700R produces 649 rw hp SAE on All Motor.

Venom stainless steel 1.75 in. headers, 3 in. Random Technology catalysts, Venom 3 in. stainless steel exhaust and Venom air induction system combine for a 30 rear wheel hp peak gain over stock. Power improvements of up to 34 rear wheel HP are seen above 5000 rpm.

Check out the video!

Venom headers, exhaust, hi-flow cats & Venom air induction combine for a peak gain of 16 rear wheel lb-ft torque with gains of up to 35 rear wheel lb-ft torque above 5000 rpm.

907 SAE Rear Wheel HP: 10 psi boost, no NOS. Look for Charter Plastics / Terry Ruot's Venom 1000 Twin Turbo to continue to break records at both the dyno and dragstrip.

World Record: 9.79 sec. @ 145.2 mph. First 9-second Viper without NOS. Terry Ruot's Venom Twin Turbo accomplished this on its first full trip to the track with its Powerglide transmission. Congrats Terry, Donna, Char and Pete at Charter Racing! Check out the video!

Venom Twin Turbo Record ET for 6-speed Viper without NOS: 10.01 @ 140. This was attained on only 12 psi boost.

World Record: 10.17 sec. @ 145.2 mph. Jamie Parker's Venom Twin Turbo ran 145.2 mph in the 1/4 mile on 14 psi boost. This is the fastest 1/4 mile trap speed for a 6-speed Viper without NOS.

Jamie Parker's Venom Twin Turbo put down 900 rw hp and 1030 rw lb-ft. on 15 psi boost (no NOS).

Norm 'Whos Your Daddy' Koerner's Venom 700R was the first normally aspirated Viper to run under 10.50 sec. in the 1/4 mile with a 10.47 sec. @ 132.5 mph.

Hennessey Vipers have logged hundreds of miles in Open Road races at speeds up to 210 mph. This includes a 2nd place overall finish at the 1995 Silver State Classic where our first Venom 600 averaged 165 mph for the 90 mile race. This same car was driven from TX to NV and back, a round trip total of almost 4,000 miles.

The car pictured is the first Venom 650R built. When this car was still a bone stock 1996 Viper it competed in the 1997 Elko Twin 50 Open Road Race. Driver John Hennessey and Navigator Larry Macedo AVERAGED 168 mph over the first 50 miles of the course and AVERAGED 177 mph over the final 45 miles to place 2nd overall. This is the highest sustained average speed ever recorded for any Viper on a public road.

Jamie Parker's Venom 1000 Twin Turbo holds the Viper world record for 1/4 mile speed: 156.46 mph. Mr. Parker's V1000 has run over 150 mph in the 1/4 mile more than a dozen times.

Ram SRT10: 428 rw hp & 467 rw torque.

2006 Dodge Magnum SRT8 with the Hennessey SRT500 upgrade runs the 1/4 mile in 12.8 sec. @ 111 mph.

RAM SRT10 With Engine Management Computer Upgrade