Watch A 1,000-HP Corvette Destroy The Dyno

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Hennessey's modded Corvette ZR1 is an animal.

American tuner Hennessey is probably best known for its Lotus-based Venom GT hypercar, which hit 270.49 mph on a runway back in 2014, and for making bold claims that the upcoming Venom F5, a bespoke replacement for the original Venom, will break the magic 300 mph mark. However, Hennessey actually built its reputation by offering tuning packages that add boatloads of horsepower to cars that probably don't need it, such as "The Exorcist," which takes the Chevy Camaro ZL1 and turns its already-more-than-adequate 650 hp into a whopping 1,000 ponies. What's even cooler is that these packages are available on everything from supercars like the McLaren 570S to luxury cars like the Cadillac CTS-V and even pickup trucks like the Ford F-150.

Hennessey Performance

Hennessey just released video of one of its modified Corvettes running on the dyno, but this is not any old Corvette. This example started life as a Chevy Corvette ZR1, the recently-released top-dog for the C7 generation of the Vette, and has been the first ZR1 to receive Hennessey's HPE1000 Supercharged Engine Upgrade. Unsurprisingly, the specs are mind-boggling.

The modified LT5 supercharged engine pumps out a ludicrous 1,000 bhp at 6,400 rpm and 966 lb-ft torque at 4,400 rpm. This drops the 0-60 mph time to a mere 2.3 seconds and the quarter mile time to just 9.4 seconds at 147 mph. However, to achieve these numbers the vehicle must be equipped with an optional rear drag radial tire upgrade. Top speed for the boosted Corvette is over 230 mph.

Hennessey Performance

A whole host of upgrades are needed to extract this performance. Hennessey added a custom HPE camshaft, new intake valves & exhaust valves, upgraded pushrods, and high-flow catalytic converters, among other changes. If fitted with the 8-speed automatic transmission, Hennessey upgrades that as well, although if equipped with the 7-speed manual, the company leaves the gearbox untouched. Additionally, Hennessey offers a 3 year/36,000 mile limited warranty for Vettes fitted with the package. Watch this American beast roar in the video above.

Hennessey Performance

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