Hello, Not new to Mustangs (by a long shot) New to this site. I have several Mustangs but was looking around for a 71-73 site. Mine is not a generic stang. It is a 71 with a thunder jet 429, 11.7 to 1 compression weiand tunnel ram with 2 650 holleys. 270/280 cam Mallory centrifugal advance...