Bagels, donuts, swiss cheese, big-block Chevy pistons. One of these things is not supposed to have a hole in it, but three stages of nitrous tend to put holes where they don’t belong. This piston is out of the 598ci Brodix block powering Dave Schroeder’s 1966 Corvette, and he put the hurt on it during Drag Week 2014. “We’d been running 7.19, 7.18 [quarter-mile times] on two stages, so we decided to try the third stage, and, well, we found the weakest link,” Dave says. He wasn’t upset about the damage, even though it meant he and cousin/tuner John Ens had to do some major engine rebuilding in the parking lot at Thunder Valley Raceway Park in Noble, Oklahoma. They finally got back on the road at 2 am, drove…