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Originally Posted by IANNUZZI
Actually r&t has the Ctsv hitting 150mph in 17.8s and a trap speed of 126mph. That’s more in line with its advertised power however for sure rwd and 30-profile tires are holding back acceleration numbers ....
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Having the C7Z - I can tell you it underperformed stock. Many/most have been running 125-128 MPH depending on DA stock at the track. There is enormous downforce (Cd) for sure - but there are other issues with the first gen direct injection as well as stock Tune from GM. The CTSV has always been slower.
Heat soak is a major issue with the Uber tiny blower (1.74L).
I had to move to a Procharger to get away from all of these issues and to finally make some power and performance with the car.