Hennessey Shows us Just How Fast the 1,244hp Venom GT is with New Videos

Shoehorning a 638hp Corvette ZR1-sourced, 6.2-liter supercharged LS9 V8 into a lightweight Lotus Elise is in itself, insane, but choosing to swap the stock supercharger for twin ball bearing turbochargers that push output to 1,244 horsepower takes craziness to a completely different level.

The car featuring this mind-blowing setup is Hennessey Performance's Venom GT and it's as fast as its specifications suggest.

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Hennessey Launches Supercharger Kits for 2011-2013 Chrysler Group SRT-8 Models

John Hennessey and his Hennessey Performance Engineering tuning outfit have prepared a little something for owners of Chrysler Group SRT-8 cars and SUVs from the 2011 to 2013 model years fitted with the brand's 6.4-liter HEMI V8 engine.

These include the SRT-8 editions of the Dodge Challenger and Charger, Chrysler 300C and Jeep Grand Cherokee models, with Hennessey offering a supercharger kit in two states of tune.

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Hennessey's 2013 Camaro ZL1 HPE700 Dyno'd and Track Tested

As fast as the regular Camaro ZL1 may be (actually, it's the fastest and most powerful series-production Camaro ever built), there's one company that believers there's always room for improvement: Hennessey Performance.

The Texas-based tuner offers four different packages for the 580hp Camaro ZL1 named HPE650, HPE700, HPE800 and HPE1000, with the numbers (approximately) representing the output of the car's 6.2-liter supercharged V8.

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Hennessey's 2013 Camaro ZL1 HPE700 Dyno'd and Track Tested

As fast as the regular Camaro ZL1 may be (actually, it's the fastest and most powerful series-production Camaro ever built), there's one company that believers there's always room for improvement: Hennessey Performance.

The Texas-based tuner offers four different packages for the 580hp Camaro ZL1 named HPE650, HPE700, HPE800 and HPE1000, with the numbers (approximately) representing the output of the car's 6.2-liter supercharged V8.

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Hennessey Plans to Inject Some Powerful Venom to 2013 SRT Viper

Leave it to Hennessey Performance to take an already viciously powerful sports car like the brand-new 2013 SRT Viper and tune it to the extreme.

As with any other proposal from Hennessey, it all starts with a heavy tuning of the SRT Viper's 8.4-liter V10 engine, which in stock form, delivers 640 horsepower and 600 lb.-ft. of torque to the rear wheels via a 6speed manual gearbox.

Hennessey will offer two performance packages for Chrysler's finest sports car.

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Hennessey Plans to Inject Some Powerful Venom to 2013 SRT Viper

Leave it to Hennessey Performance to take an already viciously powerful sports car like the brand-new 2013 SRT Viper and tune it to the extreme.

As with any other proposal from Hennessey, it all starts with a heavy tuning of the SRT Viper's 8.4-liter V10 engine, which in stock form, delivers 640 horsepower and 600 lb.-ft. of torque to the rear wheels via a 6speed manual gearbox.

Hennessey will offer two performance packages for Chrysler's finest sports car.

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Hennessey Says New Cadillac CTS-V VR1200 Twin Turbo Coupe is the World's Most Powerful 4-Seater

Not the one to shy away from the insane horsepower wars of our time, Hennessey Performance is lifting the bar for tuners with the presentation of the new 2013 Cadillac VR1200 Twin Turbo Coupe based on the two-door version of the CTS-V.

There's a ton of stuff going on under the sheetmetal but the highlight of the tune can be found right behind Cadillac's crest.

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Lamborghini Aventador LP700-4 Humiliates Mercedes-Benz AMG SLS Roadster

The good ol' tuning folks from Hennessey Performance have just published a new video showing a Lamborghini Aventador LP700-4 owned by Mario Williams of the Buffalo Bills going against a Mercedes-Benz SLS AMG Roadster that belongs to a one Mario Mendias of My Fit Foods.

We are not sure if any of the two cars has been tuned by Hennessey or if they are completely stock (we are waiting for a response from the tuner) but the Lamborghini blows the Mercedes in every run.

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Drag Race Battles with Corvette ZR1 Hennessey, Jeep SRT-8 Twin Turbo, Mercedes E63 and S65 AMG

For our next quarter and full mile-racing gig, we have four challengers competing in three separate runs.

Up first is a Mercedes-Benz E63 AMG tuned by Evotech with 730hp running against a stock Mercedes-Benz S65 V12 AMG with 612HP.

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Hennessey Performance Promises to Turn McLaren MP4-12C into an 800HP Beast

If there's one thing the stock McLaren MP4-12C has in abundance it's power from the mid-mounted 3.8-liter twin-turbocharged V8 engine which is rated at 600PS (592HP) and 600Nm (442.5 lb-ft).

However, Texas-based tuning firm Hennessey Performance begs to differ as it believes the MP4-12C could do with some additional horses under the hood – 200 of them, to be precise.

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