2013 Chevrolet Camaro ZL1 Convertible Confirmed: A 580-HP Droptop Joins the Coupe by Fast Machines | Oct 10, 2011 | Exterior | 0 comments 2012 Chevrolet Camaro ZL1 Cranks the Dyno Needle to 580 HP – Car News The bow-tie fires a shot across the bow of Ford’s Shelby GT500, while aiming for more. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.