Chevy Corvette Z06 Sounds Wicked At Full-Throttle On Hennessey's Dyno

The engine makes the maximum horsepower near redline and makes an amazing noise there.

chevy corvette z06 dyno video

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Chris Bruce

By: Chris Bruce

Oct 20, 2023 at 4:41pm ET

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Hennessey Performance doesn't yet offer modifications for the Chevrolet Corvette Z06, but that might change soon. A new video shows the company putting the car on the dyno to find out how much power the LT6 5.5-liter V8 makes at the wheels.

Hennessey's dyno shows the Z06 producing 600.36 horsepower at 8,340 rpm and 406.55 pound-feet at 6,730 rpm. For comparison, the stock output from the factory is 670 hp at 8,400 and 460 lb-ft at 6,300 rpm.

Gallery: 2023 Chevrolet Corvette Z06: First Drive

2023 Chevrolet Corvette Z06

The microphones in this video do a fantastic job of capturing the noise that the flat-plane-crankshaft-equipped V8 makes. The sound out of the trumpet-shaped exhaust pipes is like a banshee's wail at high revs. Expect to hear that sound a lot because the powerplant's redline is at 8,600 rpm, and a driver nearly needs to take it there to extract the maximum output from the LT6.

Hennessey's results are similar to earlier dyno runs for the Z06, where a video showed three attempts from the same car. The results were 596.53 hp and 422.21 lb-ft; 599.89 hp and 424.51 lb-ft; and 610.83 hp and 419.84 lb-ft.

The Z06 went on sale in 2022. However, supply shortages caused issues with delivering the 2023 model year of the sports car. A lack of supply for the carbon-fiber parts in the Z07 package is reportedly among the reasons for these delays.

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Meanwhile, an even hotter Corvette is on the horizon. Recent spy shots and videos show that what appears to be the ZR1 is under development. It would have a more aggressive body and more power. This vehicle features additional openings in the hood and the rear fenders. The wing is much bigger, too.c

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The ZR1 reportedly uses a twin-turbo version of the LT6 that would boost the output to around 850 hp. From there, a Zora version would allegedly arrive, making roughly 1,000 hp.

If you're curious about our experience driving the Z06, then check out this video:

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