It's time to announce the rules for the 2009 Amsoil/Mopar Muscle Engine Challenge. The rules are finalized, and ready for your interpretation. If you are an engine shop interested in participating in the 2009 challenge, simply print out the seven rules pages, send the application to us (post marked no later than February 15, 2009) and we will choose eight (8) engine builders to be the focus of the 2009 challenge.