A plug in summer tires is a no no and only a temp fix. Since Vettes and Camaros dont have spares..perhaps he got a reamer and plug just to get it patched?
I wouldn't even plug one of my run flats unless it was a dire emergency.
Si Vis Pacem Parabellum
1967 Starlight black PMD Engineering 400 Auto 1968 Alpine Blue 400 4 speed 1968 Verdoro Green 400 HO 4 speed 2013 1LE 2SS/RS Inferno Orange Camaro.