Finally took the C6Z out to Sonoma for a shakedown. This is a clip from the second to last session of the day with HOD. The two drivers in the cup cars were heads up all day and we were all enjoying ourselves playing cat and mouse. Best lap was 1:43 this session. Mods on the Z are as follows:

520hp
3200lbs (Full interior)
JRZ
LG aero 
Apex VS5-RS 18x11 18x12.5
Nankang AR-1 315/335