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Video: Twin-Turbo C8 Corvette Sets a Nine-Second Quarter-Mile Record

Autoweek logo Autoweek 8/26/2021 Brian Silvestro
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The record for quickest C8 Corvette in the quarter-mile has been broken.

Extreme Turbo Systems, a tuner based in Vancouver, Washington, was recently able to set a quarter-mile time of 9.05 seconds at 159 mph while testing a customer car, beating out the previous record set by Emelia Hartford back in June 2021.

According to a video published on Tuesday by the Extreme Turbo Systems YouTube channel, the C8 in question is equipped with the shop's twin-turbo kit, which uses two Precision Turbo PT6466 turbochargers, a water-to-air intercooler, an upgraded fueling setup, a new intake manifold, and a MoTeC ECU to ensure all the new parts play nicely together. The company is also developing a heavy-duty clutch kit for the C8, a prototype of which was used on this car. There's no word on power numbers, but the video's description does mention this was the first C8 to break the 1000-hp barrier on a dyno.

a car parked on the side of a road: The 8s are just around the corner. © Extreme Turbo Systems - YouTube The 8s are just around the corner.

The Extreme Turbo Systems C8 time of 9.05 at 159 mph is 0.31 seconds quicker and 12 mph faster than Hartford's best run. The tuning firm says it plans to attempt to break into the eight-second range sometime soon; we can't wait to see how far this platform can be pushed.

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