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Old 01-30-2020, 11:35 AM   #6
Mountain

 
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Drives: 2017 SS 1LE, 2016 1SS (previous)
Join Date: Apr 2016
Location: Metro-Detroit
Posts: 1,863
The Viper version of the V720 is a different compound than the regular V720. The regular V720 really is only made to sustain up to autox demands, not track demands. Kuhmo has even said this before and I can attest that the regular V720 do not hold up on track (on lighter cars than the Camaro).

Quote:
The Ecsta V720 is Kumho's Extreme Performance Summer tire developed for passionate driving enthusiasts looking for a tire that was bred for performance and domesticated for civil society. Because its design focus is street use and specifically to excel in the short runs seen during autocross competition, the Ecsta V720 should not be driven on a race track. In addition to delivering Kumho's ultimate performance on dry pavement, the Ecsta V720 provides cool confidence on wet. Like all summer tires, it's not intended to be serviced, stored nor driven in near- or below-freezing temperatures, through snow or on ice.
Outside of that, I thought for most 200tw competitions the Viper version is on an exclusion list?
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