thought I would post a newsletter I received via email today from a local dealer. Interesting mention of a possible Z/28 version with the LSA 6.2 in 2011.. (would this be considered speculation??)
http://www.imakenews.com/amsinschevy/e_article001185530.cfm?x=bdkylds,b531gKHp
http://www.imakenews.com/amsinschevy/e_article001185530.cfm?x=bdkylds,b531gKHp