Tuning shops have finally found their way into the engine control modules of the track-focused C8 models. The results are rather impressive.

The same story goes for its figure-eight performance. 21.9 seconds at 1.08 cumulative average g is a supercar number, but it puts the ZR1X in a seven-way tie for fifth. Meanwhile, the standard ZR1 ...

Here’s the inside story on the acceleration, braking, and handling performance of the granddaddy Corvette, the all-wheel-drive ZR1X.

HP Tuners cracked the engine control module for GM's LT6 and LT7 V-8s, and then a modded ZR1 registered 1180 horsepower at the wheels.

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