The RGR/JPC Racing '11 Mustang GT Coyote cams (from $899.95) feature stock lift numbers, but with increased duration to allow more air into and out of the engine to promote airflow and port velocity.

With that, we follow along as JPC Racing adds a set of its CNC-ported heads to Joe Marini's naturally-aspirated 2011 Mustang GT. Adding a power adder was out of the question for Joe, and so this ...