Waking Up Your Mustang with 4.6 2v Heads and Cam
If you're looking to squeeze some serious power out of your New Edge, upgrading your 4.6 2v heads and cam setup is the absolute best place to start. For years, the two-valve modular engine got a bit of a bad rap because it just couldn't keep up with the 4-valve Cobras or the later Coyotes, but honestly, that's a little unfair. The 4.6L is a tough, reliable engine; it just happens to breathe like it's trying to run a marathon through a cocktail straw. When you fix the airflow issues in the top end, these engines really start to scream. ...