- Paint damage may stem from the ZTK wing during high-speed runs.
- Only a few cases exist, yet each shows damage in similar areas.
- Owners should inspect beneath the wing uprights, where damage can hide.
There’s little doubt that the Chevrolet Corvette C8 is one of the most well-engineered performance vehicles on the planet. The ZR1 is the non-electrified pinnacle of that platform, but if new reports are correct, the designers might have a little more work to do. According to one owner, the rear wing can cause paint chipping when the car routinely travels at over 180 mph (290 km/h).
That owner is Christian Wheeler, who first documented the problem after a Daytona track session. The damage develops directly beneath the wing uprights, and in many cases the wing itself obscures the affected area, meaning drivers may not notice anything unless they’re specifically looking for it.
Read: Chevy Made The C6 ZR1 Too Subtle, Black Manta Adds 14 Inches To Fix That
Wheeler’s car reportedly reached approximately 185 mph (298 km/h) before the issue appeared, and a Z06 belonging to a friend of his suffered similar damage after he installed the same wing and ran it at roughly 183 mph (295 km/h). This is essentially an edge case, in the most literal sense, of paint edges cracking. Drivers who stay beneath 180 mph (290 km/h) or so don’t seem to have the issue… yet. Wheeler’s video sparked discussion on CorvetteForum, but only one other person there claimed to have run into it.
If you own a ZTK-equipped ZR1 or a Z06 running the taller ZR1-style wing, there are several warning signs worth checking. Hairline cracks around the base of the wing uprights, paint chips directly behind those same uprights, visible rubbing marks where the wing and paint meet, and depressions in the paint itself in the same area. According to Wheeler, his dealership is covering the issue under warranty. We expect that would be the same for most owners.
The common thread in every known case is extreme speed. Chevrolet says the ZTK aero package generates 1,200 pounds (544 kg) of downforce at the ZR1’s top speed of around 215 mph (346 km/h), and some observers believe the localized loads are causing enough decklid flex to stress the paint beneath the wing mounts.
If your ZR1 regularly sees track duty, especially at Daytona, Texas Mile, runway events, or any venue where 180-plus mph runs are possible, take a close look beneath the wing uprights after each event. The damage appears to start small, and catching it early may make any warranty claim much easier.
