2007 Corvette Performance Upgrade by admin | Feb 23, 2016 | News | 0 comments 2007 Corvette in the shop for cam gear and timing chain upgrade. Another performance repair for Mayhem Marine. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Submit a Comment Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.