The 1997-2004 Vettes are .29, 2005-now are .28.
http://www.vetteweb.com/features/040...t_corvette_c6/
http://www.corvettemuseum.com/specs/2005/
The slippery designs of these cars is one of the reasons they get nearly 30MPG on the freeway. That and the wretched 6th gear.
