Here's a couple vids of my buddy's C5, I posted a vid of this car going 10's last year when it was running a Procharger setup, now it's a 402 twin turbo, it just made 1060 RWHP on 91 octane pump gas with 16psi, race fuel and more boost to follow.
YouTube - 99 Twin Turbo corvette makes 1060hp on dyno on pump gas
YouTube - another pass