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The Cadillac CTS-V Sport Wagon is already a car that can get most enthusiasts drooling. Just about all of the boxes can get ticked off instantly with just a quick look. Luxurious leather interior? Check. Enough space to haul the wife, the kids, the dogs, and all of the useless knick-knacks they decided to bring on the family road trip? Check. A 556 HP supercharged, Corvette-sourced V8? Check.

For many enthusiasts, the Caddy wagon is just about all they could ask for in a car. Ludicrously fast, reasonably priced, and practical all at once. What more could they possibly want? Well, as Jeremy Clarkson would say, “MORE POWERRRRRRR!”

That’s right, folks. In true tuner fashion, Hennessey Performance near Houston, Texas decided that the CTS-V Sport Wagon needed just a tad more power.

More details on the Hennessey Cadillac CTS-V650 Sport Wagon after the jump.

UPDATE 05/07/2011: Here’s another tasty treat from the guys over at Hennessey. Their latest video for the CTS-V650 shows the Cadillac doing a few burnouts at Lonestar Motorsports Park. You may want to pump up the volume for this one.

Hennessey has been laying out packages left and right for a variety of models lately, including the Dodge Ram HPE500 , Cadillac Escalade , and now, the lusciously tuned Nissan GT-R . There was no time wasted fiddling with the exterior of the GTR because Hennessey went straight to work pumping up the standard 3.8L V6 engine to produce up to 800 HP.

We haven’t seen this many additions under the hood of a vehicle since the last Hennessey tuned project we encountered, so we’re going to focus on some of the more important ones for now. The standard 3.8L V6 engine was jacked up with the help of SUMO turbo, intercooler piping, and intercooler core upgrades, as well as high-flow fuel injectors and chassis dyno tuning and engine calibration. Other additions include a SUMO stainless steel midpipe exhaust, SUMO stainless steel turbo downpipes, and a SUMO high-flow cold air induction. These modifications allow the GTR800 to pack an 813 HP punch and sprint the car from 0-60 mph in 2.6 seconds. The 0-100 mph sprint is made in 6.2 seconds and the quarter mile can be had for 10.5 seconds at a speed of 136 mph.

If that’s not enough for your average consumer, then Hennessey is equipped with several different options, including a transmission clutch pack upgrade, a SUMO electronic exhaust cutout (75 mm), a KW variant 3 adjustable coilover suspension upgrade, premium wheel and tire packages, and carbon fiber body kits and accessories. Oh, and they’ll also throw in Hennessey and GTR800 exterior badges and serial numbered dash and engine plaques for good measure.

Hit the jump for specifications on Hennessey’s Nissan GTR projects.

John Hennessey is no stranger to the world of auto tuning. After all, he does have a company that’s considered as one of the best in the business. The company, Hennessey Performance Engineering is so good at what it does that it was actually able to build it’s own supercar based on the Lotus Elise : the Venom GT . Not a lot of tuners can stake the same claim, too.

In this particular video, John Hennessey is sitting behind the wheel of another one of his company’s creations, the 2011 Hennessey ZR750 Corvette . Based on the Corvette ZR1 , the ZR750 was born from a special tuning kit the aftermarket company gave to the ZR1, one that nets the American sports car an improved engine output of 755 horsepower, an increase from the standard model’s 638 horsepower output. The increased power of the Hennessey ZR750 also translates to improved lap times, including a 0-60 mph time of just 2.8 seconds compared to the standard ZR1’s time of 3.4 seconds.

Hit the jump to watch John Hennessey test driving the car.

Hennessey Performance announced that a new tuning package will be offered for all the 2008-2011 Chevrolet Corvette models, including the Grand Sport versions. Thanks to a new supercharger system, the Hennessey Corvettes will deliver anywhere from 600 to 1000 HP, depending on customer’s wishes.

The most powerful version in the line-up is the HPE1000. It delivers an impressive 1000 HP at 6,300 rpm and includes: forged 427 cid LSX Engine, Hennessey HPE1000 Camshaft, high flow cylinder heads, ARP Main Studs & Head Bolts, FAST LSX intake manifold, fuel injector upgrade, fuel system ipgrade, twin ball bearing turbochargers, electronic boost controller, HPE stainless steel turbo manifolds and stainless steel Cat-Back exhaust among others.

While for the HPE1000 package Hennessey announced no performance numbers, the HPE600 will sprint from 0 to 60 mph in just 3,4 seconds and will run the quarter mile in 11.4 seconds at 126 mph.

Watch 2011 Corvette Grand Sport Supercharged HPE600 in action after the jump.

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