Unfortunately, several owners of the Chevy Corvette ZR1 are reporting issues with paint chipping while driving at speeds of 180 MPH and higher.
Chevrolet
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Whether it's competing for Nürburgring lap times or outpacing supercars in acceleration from 0 to 60 mph, the C8 Corvette ZR1 is elevating "America’s sports car" to new performance standards. It has many enhancements over its less powerful counterparts to achieve this, yet it seems Chevrolet needs to focus on improving its paint quality next.
Owners have reported that the large rear wing included in the optional ZTK performance package exerts so much downward force at high speeds that it chips the paint. A ZR1 owner known as Wheelr_ on YouTube mentioned he first noticed paint chipping around the mounting points for the rear-wing struts after a track day at Daytona, where he claims he reached speeds exceeding 185 mph.
Wheelr_ shared a video about this issue on his YouTube channel seven months ago, and this week he updated his followers on Instagram, mentioning that a friend experienced the same problem after installing the ZR1 wing on a Z06, reaching 183 mph. Both videos depict minor paint chipping where the rear-wing uprights meet the rear bumper, which is not very extensive. It required a close inspection to notice, as the struts concealed most of the damage. Nonetheless, this is certainly not something one would want to leave unattended on a car worth six figures.
In his Instagram post, Wheelr_ confirmed that Chevrolet covered the repair expenses by repainting the affected area at no cost to him. He noted that no solution, such as foam padding under the wing to avoid this issue, has been offered, but at least Chevy is taking responsibility by covering the repaint.
The large wing comes along with front dive planes, a Gurney-lip-equipped hood, and strakes as part of the ZR1’s ZTK option. This upgraded package also provides different suspension tuning with stiffer springs and Michelin Cup 2 R tires; however, buyers who are solely interested in the aerodynamic enhancements can purchase them separately through the Carbon Aero package. Chevy claims that the wing and other aerodynamic features produce 1,200 pounds of downforce at the ZR1’s maximum speed, which is around 215 mph. Clearly, that is a significant amount of force impacting the paintwork.
Performance upgrades can lead to unforeseen issues, as one C7 ZR1 owner discovered when they modified their exhaust system and conducted several runs averaging 173.004 mph at the Big Bend Open Road Race, culminating in a melted rear bumper. GM engineers might need to be a bit more diligent, but sometimes you (or in this case, your customers) have to push the limits to understand where they lie.
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Unfortunately, several owners of the Chevy Corvette ZR1 are reporting issues with paint chipping while driving at speeds of 180 MPH and higher.
GM paid for repair expenses for at least one owner, whose rear wing appeared to generate so much downforce that it harmed the paint.
