CD of a 911 is soething over .40, if memory serves correctly.
I think a Z06 has a pretty low CD (.29 ish?) - probably a fair amount lower than the Viper.
3.4L, SC heads, 964 cams, B&B headers, K27 HF ZC turbo, Ruf IC. WUR & RPM switch, IA fuel head, Zork, G50/50 5 speed. 438 RWHP / 413 RWTQ -
"930 is the wild slut you sleep with who tries to kill you every time you "get it on" - Quote by Gabe
Movie: 930 on the dyno