ZL1 Break-In Period | Camaro ZL1 | Chevrolet Posted on April 25, 2013May 6, 2013 by Aaron Nicely Important information on how to properly “break-in” your Camaro ZL1 to ensure it will maintain its supercar levels of performance and technology. Related posts: Live Unveiling of the 2014 Camaro | Chevy Camaro | Chevrolet Automatic Transmission with TAPshift® | Camaro ZL1 | Chevrolet New Camaro Revealed at the 2013 New York International Auto Show | Chevrolet HUD and Driver Information Center | Camaro ZL1 | Chevrolet Posted in Industry, Video.