Looks like the ZL1's suspension is working it's magic. Won't help in a straight line but it definitely works in the twisties.
http://www.automobilemag.com/review...evrolet_camaro_zl1_vs_2013_ford_shelby_gt500/
http://www.automobilemag.com/review...evrolet_camaro_zl1_vs_2013_ford_shelby_gt500/

call out)