HI , I would agree autos are better, I too purchased a 2017 Z06 Auto and love it however, I get a loud POPING SOUND at a hard acceleration 5000 -6000 RPM transmission may not shift. The POPING HAPPENS 5200, 5500, 5800, 6200 rpms EACH RUN will vary. No one seems to know what's going on. GM WILL...