Ford Mustang Forum banner

w or x engine code

  1. 4.6L Mustang engine swap, X or W code? 1998 Mustang

    Hello, This is my first posting on the forum but I know all you Mustang gear heads will be able to help me out. I have owned Mustangs most of my life, starting with a 1965 and now my latest, a 1998 Mustang GT. My problem is the engine has a really loud knock, sounds to me like a rod bearing...