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It’s amazing how fast the current crop of factory cars are these days. Recently, the GM engineers clocked off an official 11.93-second at 116-mph run in a bone-stock automatic ZL1. So, with some drag radials, or slicks, drivers might find themselves going too quick for most NHRA-sanctioned tracks where a rollbar is required for cars going 11.49 or quicker. I’m hoping for a factory rollbar option someday.