Here's a video for your education.
See a Miata chasing down and passing a GT500 on the STOCK 1.6 liter engine. What's the 0-60 difference between the two cars? Like 4-5 seconds.
Yet you think a half second is a world of difference. Seriously, spend some time on a track one day when you can, it's an eye opening experience for people who think a half second 0-60 time makes any difference in actual track performance.